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Other Interests (Details) - USD ($)	3 Months Ended		6 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Mar. 31, 2017
Noncontrolling Interest [Line Items]
Accounts receivable service equity investment	$ 400,000		$ 400,000		$ 400,000
Management fees revenue	300,000	$ 300,000		$ 300,000
Deficit attributable to noncontrolling interest	(1,231,000)		$ (1,231,000)		(1,214,000)
Holdings
Noncontrolling Interest [Line Items]
Ownership percentage			100.00%
Equity method investment aggregate cost	2,000,000		$ 2,000,000
Holdings | Variable Interest Entity, Not Primary Beneficiary
Noncontrolling Interest [Line Items]
Equity method investment equity	22,900,000		22,900,000		18,700,000
Equity method investment	$ 0		$ 0		$ 0
CONtv
Noncontrolling Interest [Line Items]
Ownership percentage	85.00%		85.00%

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Accounts receivable by the company for services provided to CDF2.

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This element represents the aggregate cost of investments accounted for under the equity method of accounting.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (that is, noncontrolling interest, previously referred to as minority interest).

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