NATURE OF OPERATIONS - NARRATIVE (Details)	1 Months Ended	6 Months Ended
	May 31, 2016	Sep. 30, 2016 USD ($) theatre	Sep. 30, 2015 USD ($)	Oct. 31, 2016 USD ($)	Oct. 11, 2016 USD ($)	Jul. 14, 2016 USD ($)	Mar. 31, 2016 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Number of movie theatres (more than) | theatre		12,000
Accumulated deficit		$ (347,648,000)					$ (342,448,000)
Cash and cash equivalents		21,200,000
Change in restricted cash balances		2,232,000	$ (2,232,000)
Phase I Deployment, Phase II Development, and Services Segment [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Notes payable, net		92,100,000
Content and Entertainment and Corporate Segments [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Notes payable, net		90,400,000
Secured Debt | Second Secured Lien Notes
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Debt face amount		$ 4,500,000				$ 15,000,000
Subsequent Event | Secured Debt | Second Secured Lien Notes
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Debt face amount				$ 1,000,000	$ 1,000,000.0
Class A common stock
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Stock split, conversion ratio	0.1