Condensed Consolidated Balance Sheets - USD ($)	Dec. 31, 2017	Mar. 31, 2017
Current assets
Cash and cash equivalents	$ 55,633,291	$ 17,018,552
Trade receivables, net and accrued revenues	239,390	11,030
Prepaid expenses and other receivables	2,673,214	1,903,804
Due from related parties	31,836,058	42,457,000
Inventories	2,019,128	2,580,742
Total current assets	92,401,081	63,971,128
Fixed assets
Vessels, net	1,555,034,707	1,603,469,247
Other fixed assets, net	207,833	317,348
Total fixed assets	1,555,242,540	1,603,786,595
Other non-current assets
Deferred charges, net	1,693,457	1,884,174
Derivative instruments	7,896,497	5,843,368
Due from related parties—non-current	19,800,000	19,800,000
Restricted cash	29,082,958	50,874,146
Other non-current assets	82,558	75,469
Total assets	1,706,199,091	1,746,234,880
Current liabilities
Trade accounts payable	5,957,440	7,075,622
Accrued expenses	3,795,365	5,386,397
Due to related parties	55,822	11,162
Deferred income	6,391,801	7,313,048
Current portion of long-term debt	126,557,191	65,978,785
Total current liabilities	142,757,619	85,765,014
Long-term liabilities
Long-term debt—net of current portion and deferred financing fees	600,905,936	683,985,463
Other long-term liabilities	576,192	482,685
Total long-term liabilities	601,482,128	684,468,148
Total liabilities	744,239,747	770,233,162
Commitments and contingencies
Shareholders' equity
Preferred stock, $0.01 par value, 50,000,000 shares authorized, none issued nor outstanding
Common stock, $0.01 par value, 450,000,000 shares authorized, 58,630,441 and 58,342,201 shares issued, 55,125,094 and 54,974,526 shares outstanding (net of treasury stock), as of December 31, 2017 and March 31, 2017, respectively	586,304	583,422
Additional paid-in-capital	856,948,710	852,974,373
Treasury stock, at cost; 3,505,347 and 3,367,675 shares as of December 31, 2017 and March 31, 2017, respectively	(34,982,171)	(33,897,269)
Retained earnings	139,406,501	156,341,192
Total shareholders' equity	961,959,344	976,001,718
Total liabilities and shareholders' equity	$ 1,706,199,091	$ 1,746,234,880