Consolidated Balance Sheets - USD ($)	Dec. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 8,962,686	$ 33,718,713
Restricted cash	34,174	634,416
Total cash, cash equivalents, and restricted cash	8,996,860	34,353,129
Short-term investments	28,277,386
Accounts receivable	1,021,179	3,461,938
Tax refund receivable	629,096	1,008,973
Prepaid expenses and other current assets	470,228	548,094
Total current assets	39,394,749	39,372,134
Property and equipment, net	1,104,208	1,342,802
Right of use asset	698,321
Intangible assets, net	12,732,195	13,851,924
Other assets	128,547	183,682
Total assets	54,058,020	54,750,542
Current liabilities:
Notes payable		71,596
Accounts payable	18,232	372,860
Accrued expenses and other current liabilities	3,904,767	4,082,949
Total current liabilities	3,922,999	4,527,405
Deferred income taxes		58,500
Contingent consideration	2,750,000
Other long-term liabilities	1,864,875	1,852,071
Total liabilities	8,537,874	6,437,976
Commitments and contingencies (Note 16)
Stockholders’ equity:
Common stock, $0.0001 par value; 200,000,000 shares authorized; 15,312,381 and 9,078,735 shares issued; 15,312,167 and 9,078,238 shares outstanding at December 31, 2019 and 2018, respectively	1,508	876
Additional paid-in capital	187,914,916	170,207,844
Accumulated deficit	(137,376,122)	(116,855,991)
Accumulated other comprehensive loss, net	(5,020,156)	(5,040,163)
Total stockholders’ equity	45,520,146	48,312,566
Total liabilities and stockholders’ equity	$ 54,058,020	$ 54,750,542