Consolidated Balance Sheets (Parenthetical) - USD ($)	3 Months Ended	12 Months Ended
	Jun. 30, 2016	Mar. 31, 2015	Mar. 31, 2016
Unamortized debt issuance expense	$ 2,901,000		$ 3,068,000
Preferred stock, shares authorized (shares)	15,000,000		15,000,000
Secured Debt
Unamortized debt issuance expense	$ 4,095,000		$ 4,458,000
Series A preferred stock
Preferred stock, shares authorized (shares)	20		20
Preferred stock, dividend rate (percentage)	10.00%	10.00%
Preferred stock, par value (in dollars per share)	$ 0.001		$ 0.001
Preferred stock, shares issued (shares)	7		7
Preferred stock, shares outstanding (shares)	7		7
Preferred stock, liquidation preference	$ 3,648		$ 3,648
Class A common stock
Common stock, shares authorized (shares)	21,000,000		21,000,000
Common stock, par value (in dollars per share)	$ 0.001		$ 0.001
Common stock, shares issued (shares)	8,176,203		7,977,861
Common stock, shares outstanding (shares)	7,898,779		7,700,617
Treasury stock, Class A shares (shares)	277,244		277,244
Class B common stock
Common stock, shares authorized (shares)	1,241,000		1,241,000
Common stock, par value (in dollars per share)	$ 0.001		$ 0.001
Common stock, shares issued (shares)	1,241,000		1,241,000
Common stock, shares outstanding (shares)	0		0