Condensed Consolidated Balance Sheets - Unaudited (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Current Assets:
Cash and cash equivalents	$ 7,926	$ 13,709
Restricted Cash and Cash Equivalents, Current	4,000	0
Accounts receivable, less allowances of $116 and $131, respectively (Note A)	4,245	4,309
Inventories, net (Notes C)	5,908	5,676
Deferred income taxes	960	960
Prepaid expenses and other current assets	259	292
Total Current Assets	23,298	24,946
Property, Plant and Equipment:
Land	640	640
Buildings and improvements	3,776	3,620
Machinery and equipment	15,374	15,001
Gross property, plant and equipment	19,790	19,261
Less: accumulated depreciation	(14,977)	(14,731)
Net property, plant and equipment	4,813	4,530
Deferred income taxes, net	2,762	2,385
Other assets, net	536	560
Total Assets	31,409	32,421
Current Liabilities:
Note payable to bank (Note D)	2,517	3,026
Accounts payable	2,057	1,755
Accrued compensation and commissions expense	1,328	1,102
Other accrued expenses	310	545
Current maturities of long-term debt (Note D)	231	400
Total Current Liabilities	6,443	6,828
Long-term debt, net of current portion (Note D)	0	0
Total Liabilities	6,443	6,828
Stockholders' Equity:
Common stock, $0.01 par value - 10,000,000 shares authorized; 2,635,320 shares issued and 2,599,866 shares outstanding at March 31, 2012, and 2,628,188 shares issued and 2,592,734 shares outstanding at December 31, 2011	26	26
Additional paid-in capital	27,834	27,656
Accumulated deficit	(2,607)	(1,799)
Treasury stock; 35,454 shares held in treasury at cost at March 31, 2012 and December 31, 2011	(315)	(315)
Accumulated other comprehensive income (loss)	28	25
Total Stockholders' Equity	24,966	25,593
Total Liabilities and Stockholders' Equity	$ 31,409	$ 32,421