Consolidated Statements of Operations - USD ($)	3 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Income Statement [Abstract]
Revenues	$ 22,475,000	$ 22,828,000
Costs and expenses:
Direct operating (excludes depreciation and amortization shown below)	5,691,000	7,292,000
Selling, general and administrative	6,432,000	9,616,000
Provision for doubtful accounts	0	339,000
Restructuring, transition and acquisition expenses, net	90,000	133,000
Depreciation and amortization of property and equipment	8,524,000	9,357,000
Amortization of intangible assets	1,463,000	1,459,000
Total operating expenses	22,200,000	28,196,000
Income (loss) from operations	275,000	(5,368,000)
Interest expense, net	(4,935,000)	(5,130,000)
Loss on extinguishment of debt	0	(931,000)
Other income, net	125,000	108,000
Change in fair value of interest rate derivatives	27,000	2,000
Loss from operations before income taxes	(4,508,000)	(11,319,000)
Income tax expense	(67,000)	0
Net loss	(4,575,000)	(11,319,000)
Net loss attributable to noncontrolling interest	21,000	434,000
Net loss attributable to controlling interests	(4,554,000)	(10,885,000)
Preferred stock dividends	(89,000)	(89,000)
Net loss attributable to common stockholders	$ (4,643,000)	$ (10,974,000)
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)	$ (0.70)	$ (1.63)
Weighted average number of Class A and Class B common stock outstanding: basic and diluted	6,623,449	6,732,178