Summary of Significant Accounting Policies (Tables)
|
12 Months Ended |
Apr. 30, 2016 |
| 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 |
|
|