Consolidated Statements of Operations - USD ($)	3 Months Ended		9 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015
Income Statement [Abstract]
Revenues	$ 24,445,000	$ 30,708,000	$ 70,800,000	$ 81,240,000
Costs and expenses:
Direct operating (excludes depreciation and amortization shown below)	7,287,000	8,512,000	17,880,000	24,192,000
Selling, general and administrative	6,095,000	7,610,000	17,766,000	25,937,000
Provision for doubtful accounts	416,000	0	416,000	339,000
Restructuring, transition and acquisition expenses, net	22,000	576,000	132,000	772,000
Goodwill impairment	0	0	0	18,000,000
Litigation recovery, net of expenses	0	(225,000)	0	(635,000)
Depreciation and amortization of property and equipment	6,271,000	9,428,000	22,558,000	28,212,000
Amortization of intangible assets	1,395,000	1,463,000	4,322,000	4,385,000
Total operating expenses	21,486,000	27,364,000	63,074,000	101,202,000
Income (loss) from operations	2,959,000	3,344,000	7,726,000	(19,962,000)
Interest expense, net	(4,827,000)	(5,158,000)	(14,873,000)	(15,480,000)
Loss on extinguishment of debt	(690,000)	0	(690,000)	(931,000)
Debt conversion expense	(409,000)	0	(409,000)	0
Other income, net	(55,000)	274,000	211,000	506,000
Gain on termination of capital lease	2,535,000	0	2,535,000	0
Change in fair value of interest rate derivatives	39,000	34,000	104,000	(32,000)
Loss from operations before income taxes	(448,000)	(1,506,000)	(5,396,000)	(35,899,000)
Income tax expense	(33,000)	(470,000)	(143,000)	(470,000)
Net loss	(481,000)	(1,976,000)	(5,539,000)	(36,369,000)
Net loss (income) attributable to noncontrolling interest	18,000	(487,000)		688,000
Net loss attributable to controlling interests	(463,000)	(2,463,000)	(5,485,000)	(35,681,000)
Preferred stock dividends	(89,000)	(89,000)	(267,000)	(267,000)
Net loss attributable to common stockholders	$ (552,000)	$ (2,552,000)	$ (5,752,000)	$ (35,948,000)
Net loss per Class A and Class B common stock attributable to common stockholders - basic and diluted:
Net loss attributable to common stockholders (in dollars per share)	$ (0.07)	$ (0.40)	$ (0.78)	$ (5.56)
Weighted average number of Class A and Class B common stock outstanding: basic and diluted (in shares)	8,361,807	6,366,685	7,409,746	6,468,392