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		3,845,361
Beginning Balance at Dec. 31, 2018	$ 16,859,266	$ 3,846	$ 91,276,086	$ (74,420,666)	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of stock options (in shares)		80,000
Exercise of stock options	601,250	$ 80	601,170
Stock based compensation	1,065,852		1,065,852
Net income (loss) (in thousands)	(1,736,020)			(1,736,020)
Ending Balance (in shares) at Mar. 31, 2019		3,925,361
Ending Balance at Mar. 31, 2019	16,790,348	$ 3,926	92,943,108	(76,156,686)	0
Beginning Balance (in shares) at Dec. 31, 2018		3,845,361
Beginning Balance at Dec. 31, 2018	16,859,266	$ 3,846	91,276,086	(74,420,666)	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss) (in thousands)	(157,847)
Other comprehensive loss - foreign currency translation adjustment	0
Ending Balance (in shares) at Jun. 30, 2019		4,025,500
Ending Balance at Jun. 30, 2019	20,063,065	$ 4,026	94,637,552	(74,578,513)	0
Beginning Balance (in shares) at Mar. 31, 2019		3,925,361
Beginning Balance at Mar. 31, 2019	16,790,348	$ 3,926	92,943,108	(76,156,686)	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of stock options (in shares)		100,139
Exercise of stock options	833,890	$ 100	833,790
Stock based compensation	860,654		860,654
Net income (loss) (in thousands)	1,578,173			1,578,173
Other comprehensive loss - foreign currency translation adjustment	0
Ending Balance (in shares) at Jun. 30, 2019		4,025,500
Ending Balance at Jun. 30, 2019	20,063,065	$ 4,026	94,637,552	(74,578,513)	0
Beginning Balance (in shares) at Dec. 31, 2019		4,186,438
Beginning Balance at Dec. 31, 2019	34,416,026	$ 4,187	97,239,455	(62,827,616)	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of stock options (in shares)		12,157
Exercise of stock options	90,000	$ 12	89,988
Exercise of warrants (in shares)		59,510
Exercise of warrants	595,101	$ 60	595,041
Stock based compensation	686,599		686,599
Net income (loss) (in thousands)	(1,684,643)			(1,684,643)
Other comprehensive loss - foreign currency translation adjustment	(293,491)				(293,491)
Ending Balance (in shares) at Mar. 31, 2020		4,258,105
Ending Balance at Mar. 31, 2020	33,809,592	$ 4,259	98,611,083	(64,512,259)	(293,491)
Beginning Balance (in shares) at Dec. 31, 2019		4,186,438
Beginning Balance at Dec. 31, 2019	34,416,026	$ 4,187	97,239,455	(62,827,616)	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss) (in thousands)	(1,900,848)
Other comprehensive loss - foreign currency translation adjustment	(310,720)
Ending Balance (in shares) at Jun. 30, 2020		4,258,105
Ending Balance at Jun. 30, 2020	34,296,258	$ 4,259	99,331,183	(64,728,464)	(310,720)
Beginning Balance (in shares) at Mar. 31, 2020		4,258,105
Beginning Balance at Mar. 31, 2020	33,809,592	$ 4,259	98,611,083	(64,512,259)	(293,491)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock based compensation	720,100		720,100
Net income (loss) (in thousands)	(216,205)			(216,205)
Other comprehensive loss - foreign currency translation adjustment	(17,229)				(17,229)
Ending Balance (in shares) at Jun. 30, 2020		4,258,105
Ending Balance at Jun. 30, 2020	$ 34,296,258	$ 4,259	$ 99,331,183	$ (64,728,464)	$ (310,720)