Consolidated Balance Sheets (unaudited) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
ASSETS
Cash and cash equivalents	$ 4,956	$ 8,319
Accounts receivable, net of allowance for doubtful accounts of $567 and $662 at June 30, 2013 and December 31, 2012, respectively	14,646	17,018
Inventories	2,289	2,231
Other current assets	983	774
Total current assets	22,874	28,342
Property, plant and equipment at cost	49,105	49,675
Less: Accumulated depreciation and amortization	42,440	41,961
Property, plant and equipment, net	6,665	7,714
Other assets	1,329	362
Total assets	30,868	36,418
LIABILITIES AND STOCKHOLDERS' EQUITY
Short-term borrowings	2,918	0
Accounts payable	5,251	6,783
Accrued expenses	5,132	4,589
Total current liabilities	13,301	11,372
Other long-term liabilities	1,055	1,185
Commitments and contingencies (Note 10)
Stockholders' Equity:
Common stock, par value $.04 per share; Authorized: 240,000,000 shares; Issued: 69,874,782 shares and 69,844,782 shares at June 30, 2013 and December 31, 2012, respectively; Outstanding: 69,865,387 shares and 69,835,387 shares at June 30, 2013 and December 31, 2012, respectively.	2,795	2,794
Additional paid-in capital	149,754	149,542
Accumulated deficit	(135,966)	(128,404)
Stockholders' equity before treasury stock	16,583	23,932
Less: Treasury stock, at cost; 9,395 shares at June 30, 2013 and December 31, 2012	(71)	(71)
Total stockholders' equity	16,512	23,861
Total liabilities and stockholders' equity	$ 30,868	$ 36,418