| Accounting Policies [Abstract] | Period [Axis] |
|---|
2015-05-01 - 2016-04-30 |
|---|
Accounting Policies [Abstract] | |
Accounts Receivable |
| | |
April
30, 2016 | |
April
30, 2015 |
| Trade receivables | |
$ | 2,656,000 | | |
$ | 2,151,000 | |
| VAT receivable | |
| 190,000 | | |
| 160,000 | |
| Allowance for doubtful accounts and sales returns | |
| (100,000 | ) | |
| (140,000 | ) |
| | |
$ | 2,746,000 | | |
$ | 2,171,000 | |
|
Inventories |
| | |
April
30, 2016 | |
April
30, 2015 |
| Raw materials | |
$ | 955,000 | | |
$ | 1,125,000 | |
| Work in progress | |
| 5,000 | | |
| 2,000 | |
| Finished goods | |
| 566,000 | | |
| 1,176,000 | |
| Allowance for excess and slow moving | |
| (190,000 | ) | |
| (214,000 | ) |
| | |
$ | 1,336,000 | | |
$ | 2,089,000 | |
|
Property and Equipment |
| | |
2016 | |
2015 |
| Equipment | |
$ | 502,000 | | |
$ | 480,000 | |
| Leasehold improvement | |
| 608,000 | | |
| 608,000 | |
| | |
| 1,110,000 | | |
| 1,088,000 | |
| Less: Accumulated depreciation and amortization | |
| (1,059,000 | ) | |
| (967,000 | ) |
| | |
| | | |
| | |
| Net property and equipment | |
$ | 51,000 | | |
$ | 121,000 | |
|
Anti-Dilutive Securities |
| | |
2016 | |
2015 |
| Convertible notes | |
| | | |
| 80,000 | |
| Convertible notes related parties | |
| 9,070 | | |
| 17,007 | |
| Series A preferred shares | |
| | | |
| 522,167 | |
| Series B preferred shares | |
| 2,210,390 | | |
| | |
| Warrants | |
| 207,625 | | |
| 1,102,758 | |
| Common shares reserved for series A preferred share dividends | |
| | | |
| 17,517 | |
| Stock options | |
| | | |
| 41,915 | |
| Total | |
| 2,427,085 | | |
| 1,781,364 | |
|
Product Warranty Accruals |
| | |
Balance | | |
Charges to | | |
| | |
Balance | |
| | |
Beginning | | |
Costs and | | |
| | |
End | |
| | |
of Year | | |
Expenses | | |
Deductions | | |
of Year | |
| Year Ended April 30, 2016 | |
$ | 10,000 | | |
$ | | | |
$ | | | |
$ | 10,000 | |
| | |
| | | |
| | | |
| | | |
| | |
| Year Ended April 30, 2015 | |
$ | 69,000 | | |
$ | 11,000 | | |
$ | (70,000 | ) | |
$ | 10,000 | |
|