Annual report pursuant to Section 13 and 15(d)

SCHEDULE II CONSOLIDATED VALUATION AND QUALIFYING ACCOUNTS (Details)

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SCHEDULE II CONSOLIDATED VALUATION AND QUALIFYING ACCOUNTS (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Mar. 31, 2012
SCHEDULE II CONSOLIDATED VALUATION AND QUALIFYING ACCOUNTS [Abstract]      
Balance at beginning of period $ 62 $ 217 $ 403
Net additions (releases) charged to expense (39) 3 (125)
Deductions 65 [1] (158) [1] (61) [1]
Balance at end of period $ 88 $ 62 $ 217
[1] Uncollectible accounts written off, net of recoveries.