Summary of Significant Accounting Policies (Tables)
|
12 Months Ended |
Apr. 30, 2014
|
Accounting Policies [Abstract] |
|
Accounts receivable |
|
|
April 30,
2014 |
|
|
April 30,
2013 |
|
Trade receivables |
|
$ |
3,758,000 |
|
|
$ |
2,962,000 |
|
VAT receivable |
|
|
125,000 |
|
|
|
123,000 |
|
Allowance for doubtful accounts and sales returns |
|
|
(220,000 |
) |
|
|
(200,000 |
) |
|
|
$ |
3,663,000 |
|
|
$ |
2,885,000 |
|
|
Changes in goodwill |
|
|
2014 |
|
|
2013 |
|
Opening balance May 1 |
|
$ |
1,083,000 |
|
|
$ |
1,453,000 |
|
Contingent purchase price |
|
|
|
|
|
|
68,000 |
|
Impairment charge |
|
|
|
|
|
|
(438,000 |
) |
Goodwill balance April 30 |
|
$ |
1,083,000 |
|
|
$ |
1,083,000 |
|
|
The components of finite-lived intangible assets acquired |
As of April 30, 2014, the components of finite-lived intangible assets acquired are as follows:
|
|
Gross |
|
|
Weighted |
|
|
|
|
|
Net |
|
|
|
Carrying |
|
|
Average |
|
|
Accumulated |
|
|
Carrying |
|
|
|
Amount |
|
|
Life |
|
|
Amortization |
|
|
Amount |
|
Customer relationships |
|
$ |
758,000 |
|
|
|
2 Years |
|
|
$ |
758,000 |
|
|
$ |
0 |
|
Trade names |
|
|
733,000 |
|
|
|
5 Years |
|
|
|
733,000 |
|
|
|
0 |
|
Non-compete agreement |
|
|
68,000 |
|
|
|
4 Years |
|
|
|
68,000 |
|
|
|
0 |
|
|
|
$ |
1,559,000 |
|
|
|
|
|
|
$ |
1,559,000 |
|
|
$ |
0 |
|
As of April 30, 2013, the components of finite-lived intangible
assets acquired were as follows:
|
|
Gross |
|
|
Weighted |
|
|
|
|
|
Net |
|
|
|
Carrying |
|
|
Average |
|
|
Accumulated |
|
|
Carrying |
|
|
|
Amount |
|
|
Life |
|
|
Amortization |
|
|
Amount |
|
Customer relationships |
|
$ |
758,000 |
|
|
|
2 Years |
|
|
$ |
758,000 |
|
|
$ |
0 |
|
Trade names |
|
|
733,000 |
|
|
|
5 Years |
|
|
|
600,000 |
|
|
|
133,000 |
|
Non-compete agreement |
|
|
68,000 |
|
|
|
4 Years |
|
|
|
68,000 |
|
|
|
0 |
|
|
|
$ |
1,559,000 |
|
|
|
|
|
|
$ |
1,426,000 |
|
|
$ |
133,000 |
|
|
The assets and liabilities measured at fair value on a nonrecurring basis, by input level, in the consolidated balance sheet |
|
|
Quoted |
|
|
|
|
|
|
|
|
|
|
|
Total |
|
|
|
Prices in |
|
|
|
|
|
|
|
|
|
|
|
Reduction |
|
|
|
Active
Markets for |
|
|
Significant
Other |
|
|
Significant |
|
|
|
|
|
in Fair
value |
|
Balance Sheet |
|
Identical
Assets or |
|
|
Observable
Inputs |
|
|
Unobservable |
|
|
April
30, 2014 |
|
|
Recorded
as of |
|
Location |
|
Liabilities
(Level 1) |
|
|
(Level
2) |
|
|
Inputs
(Level 3) |
|
|
Total |
|
|
April
30, 2014 |
|
Assets: |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Goodwill |
|
$ |
|
|
|
$ |
|
|
|
$ |
1,083,000 |
|
|
$ |
1,083,000 |
|
|
$ |
(438,000 |
) |
|
Reconciliation of the numerator and denominator used in computing basic and diluted net loss per share |
|
|
Year ended April 30, 2014 |
|
|
|
Loss |
|
|
Shares |
|
|
Per share |
|
|
|
(numerator) |
|
|
(denominator) |
|
|
amount |
|
Basic net loss per share-net loss and weighted average common shares outstanding |
|
$ |
(2,609,000 |
) |
|
|
1,999,856 |
|
|
$ |
(1.30 |
) |
Effect of dilutive securities-stock options |
|
|
|
|
|
|
|
|
|
|
|
|
Diluted net loss per share -net loss weighted average common shares outstanding and effect of stock options |
|
$ |
(2,609,000 |
) |
|
|
1,999,856 |
|
|
$ |
(1.30 |
) |
|
|
|
Year ended April 30, 2013 |
|
|
|
|
Loss |
|
|
|
Shares |
|
|
|
Per share |
|
|
|
|
(numerator) |
|
|
|
(denominator) |
|
|
|
amount |
|
Basic net loss per share-net loss and weighted average common shares outstanding |
|
$ |
(4,625,000 |
) |
|
|
1,776,796 |
|
|
$ |
(2.60 |
) |
Effect of dilutive securities-stock options |
|
|
|
|
|
|
|
|
|
|
|
|
Diluted net loss per share-net loss weighted average common shares outstanding
and effect of stock options |
|
$ |
(4,625,000 |
) |
|
|
1,776,796 |
|
|
$ |
(2.60 |
) |
|
|
|
Year ended April 30, 2012 |
|
|
|
|
Loss |
|
|
|
Shares |
|
|
|
Per share |
|
|
|
|
(numerator) |
|
|
|
(denominator) |
|
|
|
amount |
|
Basic net loss per share-net loss and weighted average common shares outstanding |
|
$ |
(3,259,000 |
) |
|
|
1,770,952 |
|
|
$ |
(1.84 |
) |
Effect of dilutive securities-stock options |
|
|
|
|
|
|
|
|
|
|
|
|
Diluted net loss per share-net loss, weighted average common shares outstanding
and effect of stock options |
|
$ |
(3,259,000 |
) |
|
|
1,770,952 |
|
|
$ |
(1.84 |
) |
|
Product warranty accruals |
|
|
Balance |
|
|
Charges to |
|
|
|
|
|
Balance |
|
|
|
Beginning |
|
|
Costs and |
|
|
|
|
|
End |
|
|
|
of Year |
|
|
Expenses |
|
|
Deductions |
|
|
of Year |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Year Ended April 30, 2014 |
|
$ |
69,000 |
|
|
$ |
9,000 |
|
|
$ |
(9,000 |
) |
|
$ |
69,000 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Year Ended April 30, 2013 |
|
$ |
79,000 |
|
|
$ |
14,000 |
|
|
$ |
(24,000 |
) |
|
$ |
69,000 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Year Ended April 30, 2012 |
|
$ |
79,000 |
|
|
$ |
6,000 |
|
|
$ |
(6,000 |
) |
|
$ |
79,000 |
|
|
Summary of option activity |
|
|
Options Outstanding |
|
|
|
|
|
|
Exercise |
|
|
Weighted |
|
|
|
|
|
|
price |
|
|
average |
|
|
|
Shares |
|
|
per share |
|
|
exercise price |
|
|
|
|
|
|
|
|
|
|
|
Balance April 30, 2011 |
|
|
260,867 |
|
|
|
$ 7.68-47.88 |
|
|
$ |
16.72 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Granted |
|
|
48,000 |
|
|
|
6.36-6.72 |
|
|
|
6.59 |
|
Exercised |
|
|
|
|
|
|
|
|
|
|
|
|
Expired |
|
|
(55,884 |
) |
|
|
6.72-47.88 |
|
|
|
21.67 |
|
Balance April 30, 2012 |
|
|
252,983 |
|
|
|
$ 6.36-24.54 |
|
|
$ |
13.70 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Granted |
|
|
41,667 |
|
|
|
2.44-4.14 |
|
|
|
4.14 |
|
Exercised |
|
|
|
|
|
|
|
|
|
|
|
|
Expired |
|
|
(14,408 |
) |
|
|
6.72-24.54 |
|
|
|
15.49 |
|
Balance April 30, 2013 |
|
|
280,242 |
|
|
|
$ 2.44-24.54 |
|
|
$ |
12.04 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Granted |
|
|
|
|
|
|
|
|
|
|
|
|
Exercised |
|
|
|
|
|
|
|
|
|
|
|
|
Expired |
|
|
(34,665 |
) |
|
|
6.72-24.54 |
|
|
|
10.41 |
|
Balance April 30, 2014 |
|
|
245,577 |
|
|
|
$ 2.44-19.20 |
|
|
$ |
12.27 |
|
|
The fair value of each stock option granted during the year |
|
|
2014 |
|
|
2013 |
|
|
2012 |
|
Expected life (years) |
|
|
|
|
|
|
3.0 to 5.75 |
|
|
|
3.0 to 3.3 |
|
Expected volatility |
|
|
|
|
|
|
77% |
|
|
|
77% |
|
Expected dividend yield |
|
|
|
|
|
|
|
|
|
|
|
|
Expected forfeiture rate |
|
|
|
|
|
|
5.0% |
|
|
|
5.0% |
|
Risk-free interest rate |
|
|
|
|
|
|
0.5% to 0.6% |
|
|
|
0.5% to 0.6% |
|
Weighted average fair value of options granted during the year |
|
|
|
|
|
$ |
0.90 |
|
|
$ |
0.56 |
|
|