Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
ASSETS
Cash and cash equivalents	$ 2,031	$ 2,035
Accounts receivable, net of allowance for doubtful accounts of $90 and $112 at March 31, 2016 and December 31, 2015, respectively	5,700	5,565
Inventories	683	567
Other current assets	324	331
Total current assets	8,738	8,498
Property, plant and equipment	8,513	8,427
Less: Accumulated depreciation and amortization	6,038	5,656
Property, plant and equipment, net	2,475	2,771
Intangible assets, net	5,011	5,331
Goodwill	633	633
Other assets	438	450
Total assets	17,295	17,683
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	4,756	5,339
Accrued expenses	4,733	5,186
Short-term debt	4,606	5,330
Total current liabilities	14,095	15,855
Other long-term liabilities	$ 1,470	$ 1,611
Commitments and contingencies
Stockholders' equity:
Common stock, par value $.04 per share; Authorized: 240,000,000 shares; Issued: 128,221,668 shares at March 31, 2016, and 78,025,998 shares at December 31, 2015; Outstanding: 128,212,273 shares at March 31, 2016, and 78,016,603 shares at December 31, 2015	$ 5,129	$ 3,121
Additional paid-in capital	159,128	156,195
Accumulated deficit	(162,456)	(159,028)
Stockholders' equity	1,801	288
Less: Treasury stock, at cost; 9,395 shares at March 31, 2016, and December 31, 2015	(71)	(71)
Total stockholders' equity	1,730	217
Total liabilities and stockholders' equity	$ 17,295	$ 17,683