Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
ASSETS (Note 8)
Cash and cash equivalents	$ 16,917	$ 21,391
Accounts receivable, net of allowance for doubtful accounts of $525 and $910 at December 31, 2011 and 2010, respectively	18,387	19,484
Inventories	2,226	2,153
Other current assets	2,140	1,899
Total current assets	39,670	44,927
Property, plant and equipment, net	13,052	11,647
Intangible assets, net	195	537
Other assets	364	368
Total assets	53,281	57,479
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	5,174	6,665
Accrued expenses	6,173	5,941
Total current liabilities	11,347	12,606
Other long-term liabilities	1,185	1,247
Commitments and contingencies (Note 9)
Stockholders' Equity:
Common stock, par value $.04 per share; authorized 240,000,000 shares, issued 69,678,982 shares and 69,598,982 shares as of December 31, 2011 and 2010, respectively. Outstanding: 69,669,587 shares and 69,589,587 shares at December 31, 2011 and 2010, respectively.	2,787	2,784
Additional paid-in capital	148,839	148,195
Accumulated deficit	(110,806)	(107,282)
Stockholders' equity before treasury stock	40,820	43,697
Less: Treasury stock, at cost; 9,395 shares as of December 31, 2011 and 2010	(71)	(71)
Total stockholders' equity	40,749	43,626
Total liabilities and stockholders' equity	$ 53,281	$ 57,479