Condensed Consolidated Statements of Cash Flows - USD ($)	6 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash flows from operating activities:
Net loss	$ (18,605,106)	$ (8,436,709)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	32,757,865	32,558,262
Amortization of financing costs	2,898,375	1,893,141
Unrealized (gain)/loss on derivatives	1,718,031	(2,158,344)
Stock-based compensation expense	2,699,788	2,077,804
Gain on early extinguishment of debt	(4,117,364)
Unrealized foreign currency (gain)/loss, net	(201,649)	3,557
Other non-cash items	31,920	237,005
Changes in operating assets and liabilities
Trade receivables, net and accrued revenue	(195,912)	81,737
Prepaid expenses and other receivables	(117,328)	(300,917)
Due from related parties	15,654,791	20,993,789
Inventories	38,252	217,435
Other non-current assets	(6,147)	(13)
Trade accounts payable	(1,011,069)	(1,075,286)
Accrued expenses and other liabilities	384,106	(1,166,187)
Due to related parties	812,324	(175,422)
Payments for drydocking costs	(419,958)
Net cash provided by operating activities	32,320,919	44,749,852
Cash flows from investing activities:
Capital expenditures	(297,534)	(1,351,731)
Restricted cash deposits	(7,690)
Restricted cash released	32,800,000
Payments to acquire other fixed assets	(88,447)	(3,095)
Net cash provided by (used in) investing activities	32,406,329	(1,354,826)
Cash flows from financing activities:
Proceeds from long-term debt borrowings	97,000,000
Repayment of long-term debt borrowings	(124,121,733)	(33,276,251)
Purchase of treasury stock	(1,084,902)	(12,853,465)
Financing costs paid	(2,832,856)	(99,785)
Payments relating to issuance costs	(10,710)
Net cash used in financing activities	(31,050,201)	(46,229,501)
Effects of exchange rates on cash and cash equivalents	149,322	4,413
Net increase/(decrease) in cash and cash equivalents	33,826,369	(2,830,062)
Cash and cash equivalents at the beginning of the period	17,018,552	46,411,962
Cash and cash equivalents at the end of the period	$ 50,844,921	$ 43,581,900