Annual report pursuant to Section 13 and 15(d)

Income Tax - Schedule of Effective Tax Rate (Details)

v3.10.0.1
Income Tax - Schedule of Effective Tax Rate (Details)
12 Months Ended
Apr. 30, 2018
Apr. 30, 2017
Income Tax Disclosure [Abstract]    
Federal income tax rate 29.70% 34.00%
State income tax (net of federal effect) 0.80% 0.00%
Impairment of goodwill (14.70%) 0.00%
Non-deductible expenses 0.00% (7.00%)
Net operating loss decrease under IRC Section 382 (75.10%) 0.00%
Impact of tax law change (14.50%) 0.00%
Change in valuation allowance 76.90% (27.00%)
Effective tax rate 3.10% 0.00%