Stockholders' Equity (Details Narrative) - USD ($) |
1 Months Ended | 3 Months Ended | 9 Months Ended | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
Feb. 28, 2015 |
Jun. 30, 2008 |
Jan. 31, 2016 |
Jul. 31, 2015 |
Jan. 31, 2015 |
Jan. 31, 2016 |
Jan. 31, 2015 |
Apr. 30, 2015 |
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| Stockholders' Equity | ||||||||||
| Restricted stock issued, shares | 40,000 | |||||||||
| Restricted stock issued, value | $ 46,000 | |||||||||
| Warrants cancelled | 2,645,400 | |||||||||
| Common Stock, outstanding after giving effect to the exchange | 4,774,860 | 4,774,860 | 2,776,012 | |||||||
| Warrant | ||||||||||
| Stockholders' Equity | ||||||||||
| Stock warrants outstanding | 712,875 | 712,875 | ||||||||
| Warrant | Minimum | ||||||||||
| Stockholders' Equity | ||||||||||
| Exercise price of warrants | $ 2.50 | $ 2.50 | ||||||||
| Warrant | Maximum | ||||||||||
| Stockholders' Equity | ||||||||||
| Exercise price of warrants | $ 13.56 | $ 13.56 | ||||||||
| Stock-Based Compensation | ||||||||||
| Stockholders' Equity | ||||||||||
| Stock options granted | 0 | 238,667 | ||||||||
| Stock based compensation expense | $ 3,000 | $ 5,000 | $ 188,000 | $ 14,000 | ||||||
| Stock Options | ||||||||||
| Stockholders' Equity | ||||||||||
| Stock options granted | 8,333 | |||||||||
| Stock options granted, fair value at date of grant | $ 15.60 | |||||||||
| Stock options granted, term | 10 years | |||||||||
| Chief Executive Officer | ||||||||||
| Stockholders' Equity | ||||||||||
| Common shares surrendered | 7,265 | |||||||||
| Warrants cancelled | 50,000 | |||||||||
| Directors/Executive Officers | ||||||||||
| Stockholders' Equity | ||||||||||
| Restricted stock issued, shares | 370,000 | 424,667 | ||||||||
| Restricted stock issued, value | $ 222,000 | $ 310,000 | ||||||||
| Securities Purchase Agreement | Accredited Investors | ||||||||||
| Stockholders' Equity | ||||||||||
| Shares of stock sold | 500,000 | |||||||||
| Sale of stock, price per share | $ 1.00 | |||||||||
| Sale of stock, value | $ 500,000 | |||||||||
| Preferred stock, call features | In September 2015, as a condition of the sale of the approximately 400,000 remaining shares of Series A Preferred Stock held by Isaac Capital Group to a group of independent accredited investors, all the residual call options were removed from the Series A Preferred Stock Purchase Agreements. | |||||||||
| Equity Exchange Transactions | Warrant | ||||||||||
| Stockholders' Equity | ||||||||||
| Series A Preferred Warrants, number of warrants exchanged for Series B Preferred Stock | 1,616,500 | |||||||||
| Bridge Note Holders of Warrants, number of warrants exchanged for Series B Preferred Stock | 765,000 | |||||||||
| Investor held Warrants, number of warrants exchanged for Series B Preferred Stock | 263,900 | |||||||||
| Series A Preferred Stock | ||||||||||
| Stockholders' Equity | ||||||||||
| Series B Preferred Stock, outstanding after giving effect to the exchange | 0 | 0 | 626,600 | |||||||
| Series A Preferred Stock | Equity Exchange Transactions | ||||||||||
| Stockholders' Equity | ||||||||||
| Outstanding Series A Preferred Stock, number of shares exchanged for Series B Preferred Stock | 523,300 | |||||||||
| Series B Preferred Stock | ||||||||||
| Stockholders' Equity | ||||||||||
| Series B Preferred Stock, outstanding after giving effect to the exchange | 334,559 | 334,559 | 0 | |||||||
| Series B Preferred Stock | Equity Exchange Transactions | ||||||||||
| Stockholders' Equity | ||||||||||
| Series A Preferred Stock exchanged for Series B Convertible Preferred Stock | 335,684 | |||||||||
| Exchange of Series A Preferred Stock and Warrants for Series B Preferred Stock, description | The Company entered into an agreement with investors who held Preferred Series A Stock and warrants issued with the series A preferred stock. The 523,300 outstanding Preferred Series A shares were exchanged for 214,465 Preferred Series B shares. The exchange was accounted for as an equity-for-equity exchange, with no gain or loss recorded. The issuance date value of the exchanged Preferred Series A Stock of approximately, $1,572,000 was reallocated to Series B Preferred Stock and Additional Paid in Capital. Additionally, the 1,616,500 outstanding Preferred Series A warrants were exchanged for 40,413 shares of Series B Preferred Stock. The exchange was accounted for as an equity-for-equity exchange, with no gain or loss recorded. The issuance date value of the exchanged warrants of approximately, $493,000 was reallocated to Series B Preferred Stock and Additional Paid in Capital. | |||||||||
| Series B Preferred Stock, issued as a result of exchange of Series A Preferred Stock | 214,465 | |||||||||
| Series B Preferred Stock, issued as a result of exchange of Series A Preferred Warrants | 40,413 | |||||||||
| Exchange of Bridge Notes and Warrants for Series B Preferred Stock, description | The Company entered into an agreement with the institutional bridge note holders and certain members of management who held warrants issued with the above Convertible Notes Payable whereby the warrants would be exchanged for shares of Series B Preferred Stock. 765,000 of the outstanding warrants were exchanged for 19,125 shares of Series B Preferred Stock. The exchange was accounted for as an equity-for-equity exchange, with no gain or loss recorded. The issuance date value of the exchanged warrants of $233,300 was reallocated to Series B Preferred Stock and Additional Paid in Capital. | |||||||||
| Series B Preferred Stock, issued as a result of exchange of warrants held by Bridge Note holders | 19,125 | |||||||||
| Exchange of Investor held Warrants for Series B Preferred Stock, description | The Company entered into an agreement with investors who held warrants issued with the above common stock issue dated September 18, 2013. The 263,900 outstanding warrants were exchanged for 6,598 shares of Series B Preferred Stock. The exchange was accounted for as an equity-for-equity exchange, with no gain or loss recorded. The issuance date value of the exchanged warrants of $80,500 was reallocated to Series B Preferred Stock and Additional Paid in Capital. | |||||||||
| Series B Preferred Stock, issued as a result of exchange of warrants held by investors | 6,598 | |||||||||
| Adjustment in additional paid in capital | [1] | $ 2,378,860 | ||||||||
| Common Stock, outstanding after giving effect to the exchange | 4,774,860 | 4,774,860 | ||||||||
| Series B Preferred Stock, outstanding after giving effect to the exchange | 334,559 | 334,559 | ||||||||
| Private Placement | Series A Preferred Stock | ||||||||||
| Stockholders' Equity | ||||||||||
| Preferred stock, call features | From the date of respective closings and prior to October 20, 2019 (the “Put/Call Exercise Period”), the investors may exercise a right to purchase and require the Company to sell up to an additional 673,400 shares of Series A Stock. If the investors have not exercised this right during the Put/Call Exercise Period, the Company may exercise a right to cause and require the investors to purchase up to an additional 673,400 shares of Series A Stock, for an aggregate purchase price of $3,367,000. | |||||||||
| Warrants issued, description | For each share of Series A Stock, the investors received 2.5 Preferred Warrants to purchase the Company's common stock. | |||||||||
| Exercise price of warrants | $ 2.50 | $ 2.50 | ||||||||
| Warrants, exercisable period | 5 years | |||||||||
| Preferred stock, shares converted | 123,300 | |||||||||
| Common stock issued upon conversion of preferred stock | 616,500 | |||||||||
| Reduction of preferred stock upon conversion, value | $ 365,000 | |||||||||
| Adjustment to additional paid in capital upon redemption of preferred stock | 365,000 | |||||||||
| Proceeds from issuance of Series A preferred stock and warrants | $ 100,000 | |||||||||
| Private placement, description | On November 12, 2014 and February 2, 2015, the Company completed a private placement of an aggregate of 626,600 shares of its Series A Preferred Stock (“Series A Stock”) together with warrants to purchase shares of its common stock (“Preferred Warrant”) at a price of $5.00 per share, in accordance with the Series A Preferred Stock Purchase Agreement dated October 20, 2014 (the “Purchase Agreement”). From the date of respective closings and prior to October 20, 2019 (the “Put/Call Exercise Period”), the investors had the right to purchase and require the Company to sell up to an additional 673,400 shares of Series A Stock. If the investors did not exercise this right during the Put/Call Exercise Period, the Company had the right to cause and require the investors to purchase up to an additional 673,400 shares of Series A Stock, for an aggregate purchase price of $3,367,000. | |||||||||
| Private placement, conversion terms | Holders of the Series A Stock had the right to convert such shares of Series A Stock into the number of authorized but previously unissued shares of the Company’s common stock obtained by dividing the stated value of each share of Series A ($5.00) by $2.00. For each share of Series A Stock, the investors received 2.5 Preferred Warrants to purchase the Company’s common stock at an exercise price of $2.50 per share. The Preferred Warrants are exercisable immediately for a period of five years from the date of closing. The exercise price of the Preferred Warrants is subject to adjustments in the case of stock splits, stock dividends, combinations of shares and similar recapitalization transactions. The exercisability of the Preferred Warrants may be limited if upon exercise, the warrant holder or any of its affiliates would beneficially own more than 4.99% of the Company’s Common Stock. | |||||||||
| Private placement preferred shares issued | 626,600 | 20,000 | ||||||||
| Proceeds from issuance of private placement | $ 2,833,000 | |||||||||
| Preferred stock, dividend rate, percentage | 8.00% | 8.00% | ||||||||
| Preferred stock, dividend rate, per share dollar amount | $ 0.40 | |||||||||
| Preferred stock, dividends recorded | $ 122,000 | |||||||||
| Common stock issued for accumulated dividends | 139,240 | |||||||||
| Accumulated dividends, settled through issuance of stock | $ 233,000 | |||||||||
| Adjustment to additional paid in capital, settlement of dividends | $ 233,000 | |||||||||
| Price per share | $ 5.00 | |||||||||
| Private Placement | Series B Preferred Stock | ||||||||||
| Stockholders' Equity | ||||||||||
| Preferred stock, shares converted | 1,125 | |||||||||
| Common stock issued upon conversion of preferred stock | 22,500 | |||||||||
| Adjustment to additional paid in capital upon redemption of preferred stock | $ 13,725 | |||||||||
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