Consolidated Statements of Operations - USD ($)	3 Months Ended		6 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Income Statement [Abstract]
Revenues	$ 23,880,000	$ 27,704,000	$ 46,355,000	$ 50,532,000
Costs and expenses:
Direct operating (excludes depreciation and amortization shown below)	4,902,000	8,388,000	10,590,000	15,680,000
Selling, general and administrative	5,239,000	9,509,000	11,674,000	18,327,000
Provision for doubtful accounts	0	0	0	339,000
Restructuring, transition and acquisition expenses, net	20,000	63,000	110,000	196,000
Goodwill impairment	0	18,000,000	0	18,000,000
Litigation recovery, net of expenses	0	(1,208,000)	0	(410,000)
Depreciation and amortization of property and equipment	7,763,000	9,427,000	16,287,000	18,784,000
Amortization of intangible assets	1,464,000	1,463,000	2,927,000	2,922,000
Total operating expenses	19,388,000	45,642,000	41,588,000	73,838,000
Income (loss) from operations	4,492,000	(17,938,000)	4,767,000	(23,306,000)
Interest expense, net	(5,111,000)	(5,192,000)	(10,046,000)	(10,322,000)
Loss on extinguishment of debt	0	0	0	(931,000)
Other income, net	141,000	124,000	266,000	232,000
Change in fair value of interest rate derivatives	38,000	(68,000)	65,000	(66,000)
Loss from operations before income taxes	(440,000)	(23,074,000)	(4,948,000)	(34,393,000)
Income tax expense	(43,000)	0	(110,000)	0
Net loss	(483,000)	(23,074,000)	(5,058,000)	(34,393,000)
Net loss attributable to noncontrolling interest	15,000	741,000		1,175,000
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interest	(15,000)		(36,000)	(1,175,000)
Net loss attributable to controlling interests	(468,000)	(22,333,000)	(5,022,000)	(33,218,000)
Preferred stock dividends	(89,000)	(89,000)	(178,000)	(178,000)
Net loss attributable to common stockholders	$ (557,000)	$ (22,422,000)	$ (5,200,000)	$ (33,396,000)
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)	$ (0.08)	$ (3.55)	$ (0.75)	$ (5.12)
Weighted average number of Class A and Class B common stock outstanding: basic and diluted (in shares)	7,235,435	6,323,691	6,931,114	6,520,009