CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)	Sep. 30, 2022	Dec. 31, 2021
Current assets:
Cash	$ 4,143,000	$ 8,939,000
Restricted cash	0	61,000
Accounts receivable, net	357,000	849,000
Inventory	1,027,000	1,821,000
Prepaid expenses and other current assets	868,000	1,081,000
Total current assets	6,395,000	12,751,000
Property and equipment, net	25,000	159,000
Goodwill	0	7,367,000
Intangibles, net	690,000	7,562,000
Operating lease - right of use asset, net	201,000	659,000
Other assets	53,000	109,000
Total assets	7,364,000	28,607,000
Current liabilities:
Accounts payable	401,000	259,000
Accrued expenses and other current liabilities	1,088,000	959,000
Current portion of deferred revenue	571,000	783,000
Current portion of operating lease liabilities	306,000	492,000
Total current liabilities	2,366,000	2,493,000
Long-term liabilities:
Operating lease liabilities, net of current portion	43,000	236,000
Deferred revenue, net of current portion	152,000	381,000
Total long-term liabilities	195,000	617,000
Total liabilities	2,561,000	3,110,000
Commitments and contingencies (see Note 11)
Stockholders’ equity:
Common stock, $.0001 par value; 150,000,000 shares authorized; 30,929,331 shares issued and 30,816,048 outstanding at September 30, 2022 and December 31, 2021	3,000	3,000
Treasury stock, 113,283 shares of common stock at September 30, 2022 and December 31, 2021	(181,000)	(181,000)
Additional paid-in capital	227,611,000	227,581,000
Accumulated deficit	(222,630,000)	(201,906,000)
Total stockholders' equity	4,803,000	25,497,000
Total liabilities and stockholders’ equity	$ 7,364,000	$ 28,607,000