Annual report pursuant to Section 13 and 15(d)

The Company and Its Accounting Policies (Details)

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The Company and Its Accounting Policies (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Mar. 31, 2012
Summary of costs and estimated earnings on contracts    
Costs incurred since inception on contracts in progress $ 37,632 $ 24,947
Estimated earnings since inception on contracts in progress 12,311 12,108
Gross 49,943 37,055
Less billings to date 49,485 40,956
Net under billings $ 458 $ (3,901)