Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2020	Jun. 30, 2020
Current assets
Cash and cash equivalents	$ 1,853	$ 3,349
Accounts receivable	52	101
Inventory:
Raw materials	114	416
Work-in-process	337	38
Finished goods	161	222
Income tax receivable		429
Prepaid expenses and other current assets	283	117
Total current assets	2,800	4,672
Property and equipment, net	100	99
Assets held for disposal		237
Operating leases, right-of-use assets, net	287	851
Other assets		71
Total assets	3,187	5,930
Current liabilities
Accounts payable	75	239
Payroll related accruals	473	433
Accrued expenses and other liabilities	676	627
Income tax payable	2	2
Term note payable - related party	2,500	2,500
Term note payable	330	210
Lease liabilities	198	339
Total current liabilities	4,254	4,350
Term note payable, net of current portion	211	332
Lease liabilities, net of current portion	166	623
Total liabilities	4,631	5,305
Commitments and contingencies (Note 13)
Stockholders’ equity (deficit)
Common stock, $0.001 par value, 50,000,000 shares authorized; 8,243,686 and 8,250,286 shares issued at September 30, 2020 and June 30, 2020, respectively; 7,843,770 and 7,850,362 shares outstanding at September 30, 2020 and June 30, 2020, respectively	190,599	190,599
Treasury stock, 399,916 shares at cost at September 30, 2020 and June 30, 2020	(4,129)	(4,129)
Additional paid-in capital	13,976	13,934
Accumulated deficit	(201,890)	(199,779)
Total stockholders’ equity (deficit)	(1,444)	625
Total liabilities and stockholders’ equity (deficit)	3,187	5,930
Convertible Preferred Stock
Stockholders’ equity (deficit)
Convertible preferred stock, $0.001 par value, 2,500,000 shares authorized; 280,898 shares of Series D issued and outstanding at September 30, 2020 and June 30, 2020