Condensed Consolidated Balance Sheets - Unaudited (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Current Assets:
Cash and cash equivalents	$ 9,484	$ 13,709	[1]
Restricted cash (Note D)	1,500	0	[1]
Accounts receivable, less allowances of $99 and $131, respectively	4,049	4,309	[1]
Inventories, net (Notes C)	5,434	5,676	[1]
Deferred income taxes	960	960	[1]
Prepaid expenses and other current assets	289	292	[1]
Total Current Assets	21,716	24,946	[1]
Property, Plant and Equipment:
Land	640	640	[1]
Buildings and improvements	3,776	3,620	[1]
Machinery and equipment	15,564	15,001	[1]
Gross property, plant and equipment	19,980	19,261	[1]
Less: accumulated depreciation	(15,158)	(14,731)	[1]
Net property, plant and equipment	4,822	4,530	[1]
Deferred income taxes, net	2,909	2,385	[1]
Other assets, net	530	560	[1]
Total Assets	29,977	32,421	[1]
Current Liabilities:
Note payable to bank (Note D)	1,450	3,026	[1]
Accounts payable	2,178	1,755	[1]
Accrued compensation and commissions expense	1,043	1,102	[1]
Other accrued expenses	504	545	[1]
Current maturities of long-term debt (Note D)	145	400	[1]
Total Current Liabilities	5,320	6,828	[1]
Long-term debt, net of current portion (Note D)	0	0	[1]
Total Liabilities	5,320	6,828	[1]
Stockholders' Equity:
Common stock, $0.01 par value - 10,000,000 shares authorized; 2,634,409 shares issued and 2,583,955 shares outstanding at September 30, 2012, and 2,628,188 shares issued and 2,592,734 shares outstanding at December 31, 2011	26	26	[1]
Additional paid-in capital	27,926	27,656	[1]
Accumulated deficit	(2,921)	(1,799)	[1]
Treasury stock; 50,454 shares and 35,454 shares held in treasury at cost at September 30, 2012 and December 31, 2011, respectively	(405)	(315)	[1]
Accumulated other comprehensive income	31	25	[1]
Total Stockholders' Equity (Note J)	24,657	25,593	[1]
Total Liabilities and Stockholders' Equity	$ 29,977	$ 32,421	[1]

[1] The Condensed Consolidated Balance Sheet as of December 31, 2011, has been derived from the audited consolidated financial statements at that date, but does not include all of the information and footnotes required by accounting principles generally accepted in the United States for complete financial statements.