SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - NARRATIVE (Details)		3 Months Ended			6 Months Ended		12 Months Ended
	Apr. 29, 2015 shares	Sep. 30, 2016 USD ($) shares	Sep. 30, 2015 USD ($) $ / shares shares	Jun. 30, 2015 shares	Sep. 30, 2016 USD ($) system shares	Sep. 30, 2015 USD ($) $ / shares shares	Mar. 31, 2015 USD ($)
Deferred Revenue Arrangement [Line Items]
Deferred Revenue, Number of Systems that have Ceased to Earn VPF | system					655
Deferred Revenue, Percent of Systems Expected to Cease Earning VPF					50.00%
Net cash used in by investing activities					$ (246,000)	$ (1,052,000)
Net cash (used in) provided by financing activities					(24,675,000)	(3,610,000)
Impairment of long-lived assets		$ 0	$ 0		0	0
Impairment of finite-lived intangible assets		0	0		0	0
Goodwill impairment		0	$ (18,000,000)		$ 0	$ (18,000,000)
Deferred revenue recognition period					10 years
Activation fee revenue, per screen					$ 2,000
Activation Fee Revenue Range, Minimum		1,000			1,000
Activation Fee Revenue Range, Maximum		$ 2,000			$ 2,000
Options grants in period, weighted average grant date fair value (in dollars per share) | $ / shares			$ 3.50			$ 5.20
Shares under option, granted (shares) | shares		0	5,000		0	130,000
Shares under option, exercised (shares) | shares		0		25,000	0	25,000
Antidilutive securities excluded from computation of earnings per share (shares) | shares					2,899,259	2,913,518
Services
Deferred Revenue Arrangement [Line Items]
Goodwill impairment			$ 0			$ 0
Administrative fee VPFs		5.00%			5.00%
Incentive fees, percentage of VPF Phase I		2.50%			2.50%
Up-front Payment Arrangement
Deferred Revenue Arrangement [Line Items]
Administrative fee VPFs		10.00%			10.00%
Restatement Adjustment [Member]
Deferred Revenue Arrangement [Line Items]
Net cash used in by investing activities							$ (600,000)
Net cash (used in) provided by financing activities							$ 600,000
Convertible Debt | Convertible Notes
Deferred Revenue Arrangement [Line Items]
Treasury stock, shares acquired (shares) | shares	272,100
Convertible Debt | Convertible Notes | Forward Stock Purchase Transaction
Deferred Revenue Arrangement [Line Items]
Treasury stock, shares acquired (shares) | shares		1,179,138.4	1,200,000.0		1,200,000.0	1,200,000.0