Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
ASSETS
Cash and cash equivalents	$ 1,387	$ 5,201
Accounts receivable, net of allowance for doubtful accounts of $54 and $87 at March 31, 2015 and December 31, 2014, respectively	4,869	3,178
Inventories	696	897
Other current assets	274	202
Total current assets	7,226	9,478
Property, plant and equipment	7,629	7,415
Less: Accumulated depreciation and amortization	4,655	4,361
Property, plant and equipment, net	2,974	3,054
Other assets	491	607
Total assets	10,691	13,139
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	1,962	2,508
Accrued expenses	4,305	4,083
Total current liabilities	6,267	6,591
Other long-term liabilities	1,084	1,191
Commitments and contingencies
Stockholders' equity:
Common stock, par value $.04 per share; Authorized: 240,000,000 shares; Issued: 70,875,998 shares at March 31, 2015 and December 31, 2014, respectively; Outstanding: 70,866,603 shares at March 31, 2015 and December 31, 2014, respectively.	2,835	2,835
Additional paid-in capital	150,837	150,747
Accumulated deficit	(150,261)	(148,154)
Stockholders' equity	3,411	5,428
Less: Treasury stock, at cost; 9,395 shares at March 31, 2015 and December 31, 2014	(71)	(71)
Total stockholders' equity	3,340	5,357
Total liabilities and stockholders' equity	$ 10,691	$ 13,139