Quarterly report pursuant to Section 13 or 15(d)

Acquisition (Details)

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Acquisition (Details) (USD $)
 1 Months Ended 3 Months Ended
Mar. 30, 2013
Dec. 31, 2012
Jul. 30, 2012
Max-Viz, Inc [Member]
Mar. 30, 2013
Max-Viz, Inc [Member]
Acquisition (Textual) [Abstract]        
Percentage of acquired stock     100.00%  
Purchase consideration in cash     $ 10,700,000  
Acquisition contingent consideration 739,000 814,000 8,000,000  
Target period of growth     3 years  
Revenue of Max-Viz     $ 5,400,000  
Goodwill and purchased intangible assets deductable for tax purposes period       15 years