Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Income Statement [Abstract]
Revenues	$ 9,803	$ 13,078
Costs and expenses:
Direct operating (excludes depreciation and amortization shown below)	3,612	3,425
Selling, general and administrative	5,849	6,543
Provision for doubtful accounts	270	65
Depreciation and amortization of property and equipment	1,774	2,089
Amortization of intangible assets	995	1,395
Total operating expenses	12,500	13,517
Loss from operations	(2,697)	(439)
Interest expense, net	(2,282)	(2,695)
Other expense, net	(13)	(10)
Loss from operations before income taxes	(4,992)	(3,144)
Income tax expense	(47)	(139)
Net loss	(5,039)	(3,283)
Net income attributable to noncontrolling interest	6	16
Net loss attributable to controlling interests	(5,033)	(3,267)
Preferred stock dividends	(89)	(89)
Net loss attributable to common stockholders	$ (5,122)	$ (3,356)
Net loss per Class A common stock attributable to common stockholders - basic and diluted:
Net loss attributable to common stockholders (in dollars per share)	$ (0.13)	$ (0.09)
Weighted average number of Class A and Class B common stock outstanding: basic and diluted (in shares)	38,351,161	37,639,300