Subsequent Events - Additional Information (Detail) (USD $)	12 Months Ended	0 Months Ended
	Mar. 31, 2015	May 08, 2015	Jun. 11, 2015
Revolving Credit Facility
Subsequent Event [Line Items]
Credit facility, interest rate description	At the Company's election, advances under the Credit Facility bear interest at either (1) the Bank's prime rate minus 0.50% or (2) the applicable one-, two- or three-month LIBOR rate plus 2.5%.
J P Morgan Chase Bank | Revolving Credit Facility
Subsequent Event [Line Items]
Line of credit facility, initiation date	May 08, 2015
Line of credit facility expiry date	Apr. 30, 2016
Subsequent Event
Subsequent Event [Line Items]
Borrowing credit facility			$ 0
Subsequent Event | J P Morgan Chase Bank | Revolving Credit Facility
Subsequent Event [Line Items]
Line of credit facility, maximum borrowing capacity		5,000,000
Line of credit facility expiry date		Apr. 30, 2016
Subsequent Event | Prime Rate | Revolving Credit Facility
Subsequent Event [Line Items]
Credit facility, interest rate		0.50%
Subsequent Event | London Interbank Offered Rate (LIBOR) | Revolving Credit Facility
Subsequent Event [Line Items]
Credit facility, interest rate		2.50%
Subsequent Event | Maximum | Revolving Credit Facility
Subsequent Event [Line Items]
Line of credit facility covenant terms minimum tangible net worth		57,000,000
Financial covenant for net income for any period of four consecutive fiscal quarters		$ 1.00
Subsequent Event | Minimum | Revolving Credit Facility
Subsequent Event [Line Items]
Ratio of total liabilities to tangible net worth		1.00