Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current assets:
Cash	$ 361	$ 274
Accounts receivable, net of allowance for doubtful accounts of $240 as of both June 30, 2022 and December 31,2021, respectively	2,457	1,765
Inventories	4,967	4,854
Prepaid and other current assets	800	785
Total current assets	8,585	7,678
Property, plant and equipment, net	249	290
License agreements, net	5	7
Intangible assets, net	741	755
Goodwill	493	493
Right of use assets, net	1,559	1,984
Other assets, net	665	703
Total assets	12,297	11,910
Current liabilities:
Line of credit	3,918	2,400
Current portion of long-term debt	69	71
Current portion of lease liability	863	826
Accounts payable	3,061	2,264
Accrued compensation	505	298
Accrued benefit pension liability	16	16
Income taxes payable	24	34
Other accrued expenses	231	151
Total current liabilities	8,687	6,060
Subordinated convertible debt with related parties, net	1,426	1,372
Lease liability, net of current portion	549	993
Long-term debt, net of current portion	167	200
Total liabilities	10,829	8,625
Commitments and contingencies
Stockholders’ equity:
Preferred stock, $.001 par value; authorized 5,000 shares, no shares outstanding
Common stock, $.001 par value; authorized 50,000 and 25,000 shares, 13,326 and 13,011 shares issued and outstanding as of June 30, 2022 and December 31, 2021, respectively	13	13
Paid-in capital	32,003	31,513
Accumulated deficit	(29,617)	(27,310)
Accumulated other comprehensive loss	(931)	(931)
Total stockholders’ equity	1,468	3,285
Total liabilities and stockholders' equity	$ 12,297	$ 11,910