SUPPLEMENTAL CASH FLOW DISCLOSURE (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended	12 Months Ended
	Mar. 31, 2017	Dec. 31, 2016	Mar. 31, 2018	Mar. 31, 2017
Condensed Cash Flow Statements, Captions [Line Items]
Cash interest paid			$ 13,888	$ 16,464
Income taxes paid			402	322
Accrued dividends on preferred stock	$ 89		89	89
Issuance of Second Lien Loans in connection with Convertible Notes exchange transaction			1,462	3,500
Issuance of warrants in connection with debt instruments			1,084	0
Issuance of Class A common stock in exchange for the CEO's Second Lien Loans	$ 0		28,031
Class A common stock
Condensed Cash Flow Statements, Captions [Line Items]
Issuance of Class A common stock for payment of preferred stock dividends			356	356
Issuance of Class A common stock for settlement of an obligation to a vendor			867	0
Second Secured Lien Notes [Member] | Class A common stock
Condensed Cash Flow Statements, Captions [Line Items]
Proceeds from Issuance or Sale of Equity			0	1,163
Issuance of warrants in connection with debt instruments		$ 100
Issuance of Class A common stock in exchange for the CEO's Second Lien Loans			500	0
Convertible Notes | Class A common stock
Condensed Cash Flow Statements, Captions [Line Items]
Proceeds from Issuance or Sale of Equity			$ 0	$ 14,279