Condensed Consolidated Balance Sheets-Unaudited (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Current Assets:
Cash and cash equivalents	$ 7,613	$ 8,625
Restricted cash (Note D)	1,500	1,500
Accounts receivable, less allowances of $45 and $79, respectively	3,960	4,350
Inventories, net (Note C)	5,325	5,349
Deferred income taxes (Note I)	0	1,114
Prepaid expenses and other current assets	465	665
Total Current Assets	18,863	21,603
Property, Plant and Equipment
Land	640	640
Buildings and improvements	3,849	3,785
Machinery and equipment	15,818	15,655
Gross property, plant and equipment	20,307	20,080
Less: accumulated depreciation	(15,814)	(15,373)
Net property, plant, and equipment	4,493	4,707
Deferred income taxes, net (Note I)	0	2,808
Other assets, net	344	475
Total Assets	23,700	29,593
LIABILITIES AND STOCKHOLDERS' EQUITY
Note payable to bank (Note D)	881	1,249
Accounts payable	1,739	2,452
Accrued compensation and commissions expense	1,066	1,011
Other accrued expenses	241	209
Current maturities of long-term debt (Note D)	0	58
Total Current Liabilities	3,927	4,979
Long-term debt, net of current portion (Note D)	0	0
Total Liabilities	3,927	4,979
Stockholders' Equity:
Common stock, $0.01 par value - 10,000,000 shares authorized; 2,657,454 shares issued and 2,596,205 shares outstanding at June 30, 2013, and 2,648,059 shares issued and 2,597,605 shares outstanding at December 31, 2012	27	26
Additional paid-in capital	28,336	28,084
Accumulated deficit	(8,166)	(3,119)
Treasury stock: 61,249 and 50,454 shares held in treasury at cost at June 30, 2013 and December 31, 2012, respectively	(464)	(405)
Accumulated other comprehensive income	40	28
Total Stockholders' Equity	19,773	24,614
Total Liabilities and Stockholders' Equity	$ 23,700	$ 29,593