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STOCKHOLDERS' EQUITY - COMMON STOCK (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
 6 Months Ended 0 Months Ended 1 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Class B common stock
Mar. 31, 2013
Class B common stock
Jun. 26, 2013
Class A common stock
Jul. 31, 2013
Class A common stock
Sep. 30, 2013
Class A common stock
Mar. 31, 2013
Class A common stock
Class of Stock [Line Items]                
Common stock, shares authorized     1,241,000 1,241,000     118,759,000 118,759,000
Number of share underwritten by Merriman Capital         3,780,718      
Purchase price of shares in Merriman Capital underwriting agreement         $ 1.2834      
Discount on public offering price per security (percentage)         7.00%      
Public offering price per security         $ 1.38      
Additional number of shares bought under the underwriting agreement           567,108    
Proceeds from issuance of common stock $ 0 $ 3,687       $ 5,520