Annual report pursuant to Section 13 and 15(d)

Subsequent Event (Details Textual)

v2.4.0.6
Subsequent Event (Details Textual) (USD $)
12 Months Ended
May 15, 2012
Mar. 31, 2013
Kentrox [Member]
Apr. 01, 2013
Kentrox [Member]
Subsequent Event [Line Items]      
Cash consideration transferred for business acquisition $ 2,524,000   $ 30,000,000
Business Combination, Acquisition Related Costs   $ 300,000