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Acquisition (Details Textual) (Adwest Technologies Inc [Member], USD $)
In Millions, except Share data, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Adwest Technologies Inc [Member]
 
Acquisition (Textual) [Abstract]  
Cash paid on acquisition $ 4.0
Company's common stock 52,632
Worth of Company's common stock 0.5
Earn out payment upon attainment of gross profit $ 1.65