Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $)	Dec. 31, 2014	Mar. 31, 2014
Shareholders' equity:
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, authorized (in shares)	5,000,000us-gaap_PreferredStockSharesAuthorized	5,000,000us-gaap_PreferredStockSharesAuthorized
Preferred stock, issued (in shares)	0us-gaap_PreferredStockSharesIssued	0us-gaap_PreferredStockSharesIssued
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, authorized (in shares)	50,000,000us-gaap_CommonStockSharesAuthorized	50,000,000us-gaap_CommonStockSharesAuthorized
Common stock, issued (in shares)	17,960,098us-gaap_CommonStockSharesIssued	15,067,645us-gaap_CommonStockSharesIssued
Common stock, outstanding (in shares)	17,960,098us-gaap_CommonStockSharesOutstanding	15,067,645us-gaap_CommonStockSharesOutstanding
Series A Junior Participating Preferred Stock [Member]
Shareholders' equity:
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, authorized (in shares)	20,000	20,000
Preferred stock, issued (in shares)	0	0

Face amount or stated value per share of common stock.

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