Consolidated Balance Sheets (Unaudited) (USD $)	Mar. 31, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 19,827,606	$ 19,682,724
Accounts receivable, net	13,721,595	11,197,101
Prepaid expenses	7,818,159	5,501,081
Inventories	6,735,101	9,610,272
Investment	11,715,793	13,817,439
Other assets	4,495,176	2,122,574
Total current assets	64,313,430	61,931,191
Noncurrent assets:
Vessels and vessel improvements, at cost, net of accumulated, depreciation of $407,926,586 and $389,545,066, respectively	1,621,173,848	1,639,555,368
Other fixed assets, net of accumulated amortization of $606,976 and $574,532, respectively	349,394	361,306
Restricted cash	66,243	66,243
Deferred drydock costs	4,033,139	3,826,685
Deferred financing costs	14,262,767	16,278,544
Other assets	1,323,515	1,394,964
Total noncurrent assets	1,641,208,906	1,661,483,110
Total assets	1,705,522,336	1,723,414,301
Current liabilities:
Accounts payable	4,618,061	6,422,306
Accrued interest	152,139	153,885
Other accrued liabilities	7,731,467	6,211,224
Unearned charter hire revenue	4,855,641	5,387,844
Term loans	1,129,478,741	1,129,478,741
Payment-in-kind loans	51,903,212	44,565,437
Total current liabilities	1,198,739,261	1,192,219,437
Total liabilities	1,198,739,261	1,192,219,437
Stockholders' equity:
Preferred stock, $.01 par value, 25,000,000 shares authorized, none issued	0	0
Common stock, $.01 par value, 100,000,000 shares authorized, 16,902,213 and 16,783,071 shares issued and outstanding, respectively	169,020	167,828
Additional paid-in capital	767,102,359	766,823,808
Retained earnings (net of accumulated dividends declared of $262,118,388 as of March 31, 2014 and December 31, 2013, respectively)	(258,386,658)	(235,796,772)
Accumulated other comprehensive loss	(2,101,646)
Total stockholders' equity	506,783,075	531,194,864
Total liabilities and stockholders' equity	$ 1,705,522,336	$ 1,723,414,301