Consolidated Balance Sheets (Parenthetical) - USD ($)	9 Months Ended	12 Months Ended
	Dec. 31, 2015	Mar. 31, 2015
Allowance for doubtful accounts receivable	$ 936,000	$ 597,000
Unamortized debt issuance expense	$ 3,231,000	$ 750,000
Preferred stock, shares authorized (shares)	15,000,000	15,000,000
Secured Debt
Unamortized debt issuance expense	$ 4,834,000	$ 5,938,000
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)	210,000,000	210,000,000
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares issued (shares)	78,343,021	77,178,494
Common stock, shares outstanding (shares)	75,570,581	77,075,614
Treasury stock, Class A shares (shares)	2,772,440	51,440
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