Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
ASSETS
Cash and cash equivalents	$ 5,201	$ 3,970
Accounts receivable, net of allowance for doubtful accounts of $87 and $153 at December 31, 2014 and 2013, respectively	3,178	8,398
Inventories	897	596
Other current assets	202	1,597
Assets held for sale	0	2,302
Total current assets	9,478	16,863
Property, plant and equipment, net	3,054	2,953
Other assets	607	1,830
Total assets	13,139	21,646
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	2,508	3,440
Accrued expenses	4,083	4,036
Total current liabilities	6,591	7,476
Other long-term liabilities	1,191	870
Commitments and contingencies (Note 10)
Stockholders’ Equity:
Common stock, par value $.04 per share; Authorized 240,000,000 shares; Issued: 70,875,998 shares and 70,382,544 shares at December 31, 2014 and 2013, respectively. Outstanding: 70,866,603 shares and 70,373,149 shares at December 31, 2014 and 2013, respectively	2,835	2,815
Additional paid-in capital	150,747	150,235
Accumulated deficit	(148,154)	(139,679)
Stockholders' equity before treasury stock	5,428	13,371
Less: Treasury stock, at cost; 9,395 shares as of December 31, 2014 and 2013	(71)	(71)
Total stockholders' equity	5,357	13,300
Total liabilities and stockholders' equity	$ 13,139	$ 21,646