Business Combinations (Details Textual) (USD $) In Thousands, unless otherwise specified	1 Months Ended
	May 31, 2012	May 31, 2011	Jun. 30, 2012
Business Combinations (Textual) [Abstract]
Subsidiary completed its first and second earnout period	12 months	12 months
Maximum amount of contingent earnout consideration			$ 2,700
Third Twelve Month Earnout Period [Member]
Business Combinations (Textual) [Abstract]
Maximum amount of contingent earnout consideration			917
Accrued potential future contingent earnout			$ 246