Consolidated Statements of Cash Flows (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Operating activities
Net (loss) income	$ (13,647,946)	$ 15,514,521
Adjustments to reconcile net (loss) income to net cash provided by operations:
Depreciation and amortization expense	11,668,128	9,614,859
Amortization of deferred financing costs	954,604	949,929
Unrealized loss (gain) on derivative instruments	1,230,132	(1,101,239)
Loss (income) from equity method investee	265,443	(10,224)
Provision for doubtful accounts	2,764,836	652,318
Gain on sales of vessels	(3,947,600)	0
Loss on impairment of vessels	11,506,631	0
Write off unamortized financing costs of repaid debt	471,834	0
Amortization of discount on related party long-term debt	322,946	1,117,231
Share-based compensation	1,816	0
Change in operating assets and liabilities:
Increase in restricted cash	(500,000)	0
Accounts receivable	14,561,418	(15,445,496)
Bunker inventory	5,470,533	(7,215,740)
Advance hire, prepaid expenses and other current assets	4,291,713	(2,643,908)
Account payable, accrued expenses and other current liabilities	(6,413,198)	16,952,155
Deferred revenue	(4,406,572)	2,733,051
Net cash provided by operating activities	24,594,718	21,117,457
Investing activites
Purchase of vessels	(43,914,439)	(49,736,191)
Proceeds from sales of vessels	23,279,387	0
Deposits on newbuildings in-process	(13,101,430)	(31,900,000)
Drydocking costs	(4,880,041)	(731,285)
Purchase of building and equipment	(560,955)	(112,899)
Deposits on vessel purchase	0	(1,500,000)
Acquisition of interest in equity method investee	0	0
Net cash used in investing activities	(39,177,478)	(83,980,375)
Financing activities
Proceeds from Mergers	5,035,636	0
Proceeds of related party debt	17,651,149	29,554,972
Payments on related party debt	(225,291)	(5,274,075)
Proceeds from long-term debt	35,500,000	32,205,000
Payments of financing and issuance costs	(484,380)	(1,799,314)
Payments on long-term debt	(30,051,021)	(14,401,426)
Merger costs	(1,853,753)	0
Proceeds from issuance of convertible redeemable preferred stock	0	21,899,180
Common stock dividends paid	(100,000)	(100,000)
Decrease in restricted cash	0	187,500
Distributions to non-controlling interest	0	(176,667)
Net cash provided by financing activities	25,472,340	62,095,170
Net increase (decrease) in cash and cash equivalents	10,889,580	(767,748)
Cash and cash equivalents at beginning of period	18,927,927	19,695,675
Cash and cash equivalents at end of period	29,817,507	18,927,927
Disclosure of noncash items
Dividends declared, not paid	6,303,622	12,700,000
Issuance of convertible redeemable preferred stock as settlement of accrued dividends	28,332,960	213,152
Issuance of convertible redeemable preferred stock in settlement of notes payable	0	4,429,217
Issuance of common stock in settlement of merger related costs	4,234,015	0
Issuance of convertible redeemable preferred stock in settlement of common stock dividend	0	0
Beneficial conversion feature of convertible redeemable preferred stock at issuance date	11,776,661	8,959,421
Modification of Shareholder loan to on Demand	16,433,107	0
Imputed interest on related party long-term debt	322,946	17,873,285
Transfer of ownership to noncontrolling interest	0	360,000
Cash paid for interest	$ 5,112,858	$ 4,059,340