Accounting Policies (Detail Textuals) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Organization, Consolidation and Presentation Of Financial Statements [Abstract]
Federal income tax benefit (expense)	$ 24,000	$ (287,000)	$ (16,000)	$ (583,000)
State income tax expense	(2,000)	(3,000)	(4,000)	(5,000)
Foreign tax expense	$ (87,000)	$ (227,000)	$ (14,000)	$ (298,000)
Estimated annualized consolidated effective tax rate for year 2013			31.20%