Consolidated Balance Sheets - USD ($)
|
Jul. 31, 2017 |
Jul. 31, 2016 |
| Current assets |
|
|
| Cash and cash equivalents |
$ 1,640,000
|
$ 5,194,000
|
| Accounts receivable |
297,000
|
263,000
|
| Inventories, net |
273,000
|
350,000
|
| Restricted cash |
75,000
|
75,000
|
| Prepaid expenses |
174,000
|
260,000
|
| Total current assets |
2,459,000
|
6,142,000
|
| Property, plant and equipment, net |
548,000
|
440,000
|
| Patents, net |
822,000
|
980,000
|
| Total assets |
3,829,000
|
7,562,000
|
| Current liabilities |
|
|
| Accounts payable |
426,000
|
479,000
|
| Restructuring liability |
19,000
|
39,000
|
| Accrued liabilities |
230,000
|
216,000
|
| Derivative liabilities |
1,853,000
|
1,802,000
|
| Total current liabilities |
2,528,000
|
2,536,000
|
| Deferred rent |
11,000
|
3,000
|
| Total liabilities |
2,539,000
|
2,539,000
|
| Commitments and contingencies (See Note 4) |
|
|
| Stockholders' equity |
|
|
| Preferred stock, $0.01 par value: 5,000,000 shares authorized, no shares issued and outstanding |
|
|
| Common stock, $0.01 par value: 100,000,000 shares authorized, 63,093,153 shares issued and outstanding at July 31, 2017, and 64,823,917 shares issued and outstanding at July 31, 2016 |
631,000
|
649,000
|
| Additional paid-in capital |
110,141,000
|
107,593,000
|
| Accumulated deficit |
(109,482,000)
|
(103,219,000)
|
| Total stockholders' equity |
1,290,000
|
5,023,000
|
| Total liabilities and stockholders' equity |
$ 3,829,000
|
$ 7,562,000
|