CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Current assets:
Cash	$ 3,085	$ 8,939
Current portion of restricted cash	0	61
Accounts receivable, net	415	849
Inventory, net	723	1,821
Prepaid expenses and other current assets	649	1,081
Total current assets	4,872	12,751
Property and equipment, net	3	159
Goodwill	0	7,367
Intangibles, net	604	7,562
Operating lease, right-of-use assets, net	142	659
Other assets	40	109
Total assets	5,661	28,607
Current liabilities:
Accounts payable	184	259
Accrued expenses and other current liabilities	1,074	959
Current portion deferred revenue	436	783
Operating lease liabilities, current	219	492
Total current liabilities	1,913	2,493
Long-term liabilities:
Operating lease liabilities, net of current portion	17	236
Deferred revenue, net of current portion	114	381
Total long-term liabilities	131	617
Total liabilities	2,044	3,110
Commitments and contingencies (see Note 15)
Stockholders’ equity:
Common stock, $.0001 par value; 150,000,000 shares authorized; 2,070,861 shares issued and 2,063,308 outstanding at December 31, 2022 and 2,062,030 shares issued and 2,054,477 outstanding at December 31, 2021	0	0
Treasury stock, 7,553 shares at December 31, 2022 and 2021	(181)	(181)
Additional paid-in capital	227,645	227,584
Accumulated deficit	(223,847)	(201,906)
Total stockholders’ equity	3,617	25,497
Total liabilities and stockholders’ equity	$ 5,661	$ 28,607