Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 226	$ 1,866
Accounts receivable, net of allowance for doubtful accounts of $55 and $43 at March 31, 2017 and December 31, 2016, respectively	5,695	4,155
Inventories	1,140	1,112
Other current assets	322	345
Total current assets	7,383	7,478
Property, plant and equipment	8,507	8,460
Less: Accumulated depreciation and amortization	6,998	6,700
Property, plant and equipment, net	1,509	1,760
Intangible assets, net	3,706	4,031
Goodwill	633	633
Other assets	372	352
Total assets	13,603	14,254
Current liabilities:
Accounts payable	6,445	6,612
Accrued expenses	1,901	1,747
Short-term debt	6,686	5,821
Other current liabilities	2,811	2,621
Total current liabilities	17,843	16,801
Other long-term liabilities	415	317
Commitments and contingencies
Stockholders' deficit:
Common stock, par value $.04 per share; Authorized: 240,000,000 shares; Issued: 12,167,349 shares at March 31, 2017, and 10,103,525 shares at December 31, 2016; Outstanding: 12,167,349 shares at March 31, 2017, and 10,103,525 shares at December 31, 2016	487	404
Additional paid-in capital	167,339	166,084
Accumulated deficit	(172,481)	(169,352)
Total stockholders' deficit	(4,655)	(2,864)
Total liabilities and stockholders' deficit	$ 13,603	$ 14,254