Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Current assets:
Cash	$ 96	$ 168
Accounts receivable, net of allowance for doubtful accounts of $53 and $180 as of September 30, 2018 and December 31,2017, respectively	2,708	2,621
Inventories, current	5,763	5,496
Prepaid benefit costs	314	314
Prepaid and other current assets	666	351
Total current assets	9,547	8,950
Inventories, net non-current	855	850
Property, plant and equipment, net	2,958	3,106
License agreements, net	18	29
Intangible assets, net	1,312	1,441
Goodwill	493	493
Other assets, net	195	305
Total assets	15,378	15,174
Current liabilities:
Line of credit	2,582	2,487
Current portion of long-term debt	254	249
Accounts payable	1,187	700
Accrued compensation	202	307
Other accrued expenses	251	196
Subordinated convertible debt with related parties	202
Total current liabilities	4,678	3,939
Subordinated convertible debt with related parties		624
Long-term debt, net of current portion	2,915	3,094
Deferred income taxes	104	104
Total liabilities	7,697	7,761
Commitments and contingencies
Stockholders' equity:
Preferred stock, $.001 par value; authorized 5,000 shares; no shares outstanding as of September 30, 2018 and December 31, 2017
Common stock, $.001 par value; authorized 25,000 shares, 9,914 and 8,465 shares issued, 9,684 and 8,211 shares outstanding as of September 30, 2018 and December 31, 2017, respectively	9	8
Paid-in capital	27,768	26,920
Accumulated deficit	(18,418)	(17,821)
Accumulated other comprehensive loss	(854)	(854)
Treasury stock, at cost, 229 and 253 shares as of September 30, 2018 and December 31, 2017, respectively	(824)	(840)
Total stockholders' equity	7,681	7,413
Total liabilities and stockholders' equity	$ 15,378	$ 15,174