Condensed Consolidated Statements of Stockholders' Equity (USD $) In Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Loss [Member]	Treasury Stock [Member]
Balance at Dec. 31, 2012	$ 43,109	$ 117	$ 11,937	$ 36,641	$ (136)	$ (5,450)
Balance (in shares) at Dec. 31, 2012		11,750
Treasury stock acquired	(21)					(21)
Net change in cumulative translation adjustment	(38)				(38)
Decrease in value of interest rate swap liability, net of deferred tax of $11	18				18
Reclassification on loss of sale of marketable securities, net of deferred tax of $12	20				20
Dividends declared ($0.05 per share)	(429)			(429)
Net income	452			452
Balance at Jun. 30, 2013	$ 43,111	$ 117	$ 11,937	$ 36,664	$ (136)	$ (5,471)
Balance(in shares) at Jun. 30, 2013		11,750