Condensed Consolidated Statements of Stockholders' Equity - USD ($)		Total	Common Stock		Additional Paid-in Capital		Accumulated Deficit	Accumulated other comprehensive loss
Beginning balance (in shares) at Dec. 31, 2018			10,150,771
Beginning balance at Dec. 31, 2018		$ 479,605,849	$ 101,508		$ 894,881,580		$ (415,377,239)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss		29,483					29,483
Issuance of shares due to vesting of restricted shares (in shares)			41,859
Issuance of shares due to vesting of restricted shares			$ 419		(419)
Cash used to settle net share equity awards		(877,161)			(877,161)
Stock-based compensation		1,445,469			1,445,469
Ending balance (in shares) at Mar. 31, 2019			10,192,630
Ending balance at Mar. 31, 2019		480,203,640	$ 101,927		895,449,469		(415,347,756)
Beginning balance (in shares) at Dec. 31, 2018			10,150,771
Beginning balance at Dec. 31, 2018		479,605,849	$ 101,508		894,881,580		(415,377,239)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss		(10,525,662)
Unrealized loss on cash flow hedges		0
Ending balance (in shares) at Sep. 30, 2019			10,210,668
Ending balance at Sep. 30, 2019		491,776,892	$ 102,107		917,577,686		(425,902,901)
Beginning balance (in shares) at Mar. 31, 2019			10,192,630
Beginning balance at Mar. 31, 2019		480,203,640	$ 101,927		895,449,469		(415,347,756)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss		(5,992,156)					(5,992,156)
Issuance of shares due to vesting of restricted shares (in shares)			16
Issuance of shares due to vesting of restricted shares			$ 0		0
Cash used to settle net share equity awards		(536)			(536)
Stock-based compensation		1,227,210			1,227,210
Ending balance (in shares) at Jun. 30, 2019			10,192,646
Ending balance at Jun. 30, 2019		475,438,158	$ 101,927		896,676,143		(421,339,912)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss		(4,562,989)					(4,562,989)
Proceeds received as per the Share Lending Agreement		35,829			35,829
Issuance of shares due to vesting of restricted shares (in shares)			18,022
Issuance of shares due to vesting of restricted shares		0	$ 180		(180)
Unrealized loss on cash flow hedges		0
Equity component of Convertible Bond Debt, net of equity issuance costs		20,181,907			20,181,907
Cash used to settle net share equity awards		(471,236)			(471,236)
Stock-based compensation		1,155,223			1,155,223
Ending balance (in shares) at Sep. 30, 2019			10,210,668
Ending balance at Sep. 30, 2019		491,776,892	$ 102,107		917,577,686		(425,902,901)
Beginning balance (in shares) at Dec. 31, 2019	[1]		10,214,600
Beginning balance at Dec. 31, 2019		481,502,937	$ 102,146	[1]	918,475,145	[1]	(437,074,354)	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss		(3,527,759)					(3,527,759)
Issuance of shares due to vesting of restricted shares (in shares)	[1]		62,526
Issuance of shares due to vesting of restricted shares	[1]		$ 625		(625)
Unrealized loss on cash flow hedges		(271,868)						(271,868)
Cash used to settle net share equity awards		(1,161,301)			(1,161,301)	[1]
Stock-based compensation		836,200			836,200	[1]
Ending balance (in shares) at Mar. 31, 2020	[1]		10,277,126
Ending balance at Mar. 31, 2020		477,378,209	$ 102,771	[1]	918,149,419	[1]	(440,602,113)	(271,868)
Beginning balance (in shares) at Dec. 31, 2019	[1]		10,214,600
Beginning balance at Dec. 31, 2019		481,502,937	$ 102,146	[1]	918,475,145	[1]	(437,074,354)	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss		(35,178,372)
Unrealized loss on cash flow hedges		(1,124,745)
Ending balance (in shares) at Sep. 30, 2020	[1]		10,279,698
Ending balance at Sep. 30, 2020		446,326,450	$ 102,797	[1]	919,601,124	[1]	(472,252,726)	(1,124,745)
Beginning balance (in shares) at Mar. 31, 2020	[1]		10,277,126
Beginning balance at Mar. 31, 2020		477,378,209	$ 102,771	[1]	918,149,419	[1]	(440,602,113)	(271,868)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss		(20,491,327)					(20,491,327)
Issuance of shares due to vesting of restricted shares (in shares)	[1]		2,572
Issuance of shares due to vesting of restricted shares	[1]		$ 26		(26)
Unrealized loss on cash flow hedges		(649,287)						(649,287)
Stock-based compensation		723,223			723,223	[1]
Ending balance (in shares) at Jun. 30, 2020	[1]		10,279,698
Ending balance at Jun. 30, 2020		456,960,818	$ 102,797	[1]	918,872,616	[1]	(461,093,440)	(921,155)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss		(11,159,286)					(11,159,286)
Unrealized loss on cash flow hedges		(203,590)						(203,590)
Cash used to settle fractional shares in the Reverse Stock Split		(12,513)			(12,513)	[1]
Stock-based compensation		741,021			741,021	[1]
Ending balance (in shares) at Sep. 30, 2020	[1]		10,279,698
Ending balance at Sep. 30, 2020		$ 446,326,450	$ 102,797	[1]	$ 919,601,124	[1]	$ (472,252,726)	$ (1,124,745)

[1] Adjusted to give effect for the 1-for-7 Reverse Stock Split that became effective as of September 15, 2020, see Note 1