Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Current assets:
Cash	$ 572	$ 559
Accounts receivable, net of allowance for doubtful accounts of $27 and $53 as of December 31, 2019 and 2018, respectively	2,505	2,654
Inventories, current	8,484	6,172
Prepaid benefit costs	89	288
Deferred loan costs		149
Prepaid and other current assets	524	555
Total current assets	12,174	10,377
Inventories, non-current		551
Property, plant and equipment, net	392	2,890
License agreements, net	20	12
Intangible assets, net	1,098	1,269
Goodwill	493	493
Right of use assets, net	3,167
Other assets, net	1,003	9
Total assets	18,347	15,601
Current liabilities:
Line of credit	2,705	2,603
Current portion of long-term debt	33	3,075
Current portion of lease liability	751
Accounts payable	4,313	1,523
Accrued compensation	397	332
Income taxes payable	26	28
Other accrued expenses	144	702
Total current liabilities	8,369	8,263
Subordinated convertible debt with related parties		139
Lease liability, net of current portion	2,568
Long-term debt, net of current portion	47	32
Total liabilities	10,984	8,434
Commitments and contingencies
Stockholders' equity:
Preferred stock, $.001 par value; authorized 5,000 shares; no shares outstanding as of December 31, 2019 and 2018, respectively
Common stock, $.001 par value; authorized 25,000 shares, 9,766 and 9,508 shares Issued, 9,766 and 9,335 shares outstanding as of December 31, 2019 and 2018, respectively	10	9
Paid-in capital	28,158	27,910
Accumulated deficit	(19,920)	(19,178)
Accumulated other comprehensive loss	(885)	(832)
Treasury stock, at cost, zero and 173 shares as of December 31, 2019 and 2018, respectively		(742)
Total stockholders' equity	7,363	7,167
Total liabilities and stockholders' equity	$ 18,347	$ 15,601