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SUBSEQUENT EVENTS (Details) - USD ($)							3 Months Ended	4 Months Ended	6 Months Ended
	Nov. 15, 2017	Nov. 09, 2017	Nov. 07, 2017	Nov. 01, 2017	Oct. 13, 2017	Jul. 01, 2017	Sep. 30, 2017	Nov. 01, 2017	Sep. 30, 2017	Nov. 14, 2017	Nov. 13, 2017	Nov. 06, 2017	Oct. 31, 2017	Mar. 31, 2017	Sep. 30, 2016	Jul. 31, 2016	Apr. 30, 2015	Oct. 17, 2013
Subsequent Event [Line Items]
Converted instrument, shares issued (in shares)							1,315,326
Preferred stock, shares authorized (shares)							15,000,000		15,000,000					15,000,000
Number of shares purchased (in shares)																	1,179,138
Convertible Debt
Subsequent Event [Line Items]
Extinguishment of debt, amount							$ 3,800,000
Credit Agreement Amendment Number 4 | Revolving Credit Facility
Subsequent Event [Line Items]
Maximum borrowing capacity															$ 22,000,000	$ 17,100,000
Line of credit minimum liquidity						$ 5,000,000			$ 800,000
Cinedigm Credit Agreement
Subsequent Event [Line Items]
Maximum borrowing capacity																		$ 55,000,000.0
Class A common stock
Subsequent Event [Line Items]
Common stock, shares authorized (shares)							25,000,000		25,000,000					25,000,000
Subsequent Event
Subsequent Event [Line Items]
Proceeds from issuance of common stock				$ 30,000,000
Common stock, shares authorized (shares)													60,000,000
Preferred stock, shares authorized (shares)													15,000,000
Number of shares settled (in shares)												601,907
Payments to employees			$ 1,300,000
Subsequent Event | Convertible Debt
Subsequent Event [Line Items]
Proceeds from issuance of common stock				30,000,000
Extinguishment of debt, amount				46,300,000				$ 50,100,000
Repayments of convertible debt			$ 500,000	$ 17,100,000				$ 17,100,000
Converted instrument, shares issued (in shares)				2,221,457				3,536,783
Subsequent Event | Second Lien Loans | Convertible Debt
Subsequent Event [Line Items]
Extinguishment of debt, amount								$ 1,500,000
Subsequent Event | Credit Agreement Amendment Number 4 | Revolving Credit Facility
Subsequent Event [Line Items]
Line of credit minimum liquidity	$ 5,000,000	$ 800,000			$ 800,000
Maximum borrowing capacity, reduction amount		$ 2,000,000
Subsequent Event | Cinedigm Credit Agreement
Subsequent Event [Line Items]
Maximum borrowing capacity										$ 11,800,000.0	$ 17,100,000.0
Subsequent Event | Class A common stock
Subsequent Event [Line Items]
Number of shares issued in transaction (in shares)				20,000,000
Subsequent Event | Class A common stock | Convertible Debt
Subsequent Event [Line Items]
Number of shares issued in transaction (in shares)				20,000,000
Subsequent Event | Class A common stock | Strategic Partner
Subsequent Event [Line Items]
Number of shares issued in transaction (in shares)				19,666,667
Subsequent Event | Class A common stock | Strategic Partner | Convertible Debt
Subsequent Event [Line Items]
Number of shares issued in transaction (in shares)				19,666,667
Subsequent Event | Class A common stock | Chief Executive Officer
Subsequent Event [Line Items]
Number of shares issued in transaction (in shares)				333,333
Subsequent Event | Class A common stock | Chief Executive Officer | Convertible Debt
Subsequent Event [Line Items]
Number of shares issued in transaction (in shares)				333,333

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