Acquisition (Details Textual) (USD $)	3 Months Ended	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2012	Dec. 31, 2011	Sep. 11, 2011
Acquisition (Textual) [Abstract]
Pro forma results revenue			$ 100,638,000
Pro forma net income			(445,000)
Acquisition (Additional Textual) [Abstract]
Purchase of outstanding shares	7,038,000	7,038,000		7,000,000
Estimated fair value of contingent acquisition consideration				810,000
Payment of contingent consideration related to acquisition of business	(631,000)	(631,000)
Acquired cash and cash equivalents		1,500,000
Net estimated total price of acquired cash and cash equivalents		5,500,000
Deferred tax liabilities	233,000	233,000
Pro forma results were adjusted to acquisition expenses			193,000
MPC acquisition [Member]
Acquisition (Textual) [Abstract]
Pro forma results revenue			1,400,000
Pro forma net income			$ 96,000
Customer relationships [Member]
Acquisition (Textual) [Abstract]
Weighted-average useful life of acquired assets		10 years
Non-compete agreements [Member]
Acquisition (Textual) [Abstract]
Weighted-average useful life of acquired assets		2 years
Trade names and trademarks [Member]
Acquisition (Textual) [Abstract]
Weighted-average useful life of acquired assets		1 year