NOTES PAYABLE - NET OF ORIGINAL ISSUE DISCOUNT (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Mar. 31, 2016	Feb. 28, 2013
Debt Instrument [Line Items]
Less current portion	$ (25,655)	$ (29,074)
Total long term portion	114,444	170,176
2013 Term Loans, net of discount
Debt Instrument [Line Items]
Debt amount, at issuance	125,087	125,087	$ 130,000
Payments to date	(125,087)	(94,043)
Discount on debt instrument	0	(118)
Notes payable, excluding debt discount	0	30,926
Less current portion	0	(21,188)
Total long term portion	0	9,738
2013 Prospect Term Loan Agreement
Debt Instrument [Line Items]
Debt amount, at issuance	70,000	70,000	$ 70,000
PIK Interest Accrued	4,778	4,778
Payments to date	(20,122)	(8,235)
Notes payable, excluding debt discount	54,656	66,543
Less current portion	0	0
Total long term portion	$ 54,656	$ 66,543