Quarterly report pursuant to Section 13 or 15(d)

Accounts Receivable (Detail)

v2.4.1.9
Accounts Receivable (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Mar. 31, 2014
Accounts Notes And Loans Receivable [Line Items]    
Total $ 5,545us-gaap_AccountsReceivableNetCurrent $ 5,102us-gaap_AccountsReceivableNetCurrent
Continuing Operations    
Accounts Notes And Loans Receivable [Line Items]    
Billed 4,418us-gaap_BilledContractReceivables
/ us-gaap_StatementOperatingActivitiesSegmentAxis
= us-gaap_SegmentContinuingOperationsMember
3,629us-gaap_BilledContractReceivables
/ us-gaap_StatementOperatingActivitiesSegmentAxis
= us-gaap_SegmentContinuingOperationsMember
Unbilled 1,127us-gaap_UnbilledReceivablesCurrent
/ us-gaap_StatementOperatingActivitiesSegmentAxis
= us-gaap_SegmentContinuingOperationsMember
1,473us-gaap_UnbilledReceivablesCurrent
/ us-gaap_StatementOperatingActivitiesSegmentAxis
= us-gaap_SegmentContinuingOperationsMember
Total 5,545us-gaap_AccountsReceivableNetCurrent
/ us-gaap_StatementOperatingActivitiesSegmentAxis
= us-gaap_SegmentContinuingOperationsMember
5,102us-gaap_AccountsReceivableNetCurrent
/ us-gaap_StatementOperatingActivitiesSegmentAxis
= us-gaap_SegmentContinuingOperationsMember
Discontinued Operations    
Accounts Notes And Loans Receivable [Line Items]    
Total $ 0us-gaap_AccountsReceivableNetCurrent
/ us-gaap_StatementOperatingActivitiesSegmentAxis
= us-gaap_SegmentDiscontinuedOperationsMember
$ 0us-gaap_AccountsReceivableNetCurrent
/ us-gaap_StatementOperatingActivitiesSegmentAxis
= us-gaap_SegmentDiscontinuedOperationsMember