Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Cash Flows from Operating Activities
Net loss	$ (35,400,807)	$ (26,381,389)
Adjustments to reconcile net loss to net cash used in operating activities:
Goodwill impairment loss	1,452,338	0
In-process R&D impairment loss	2,366,000
Depreciation and amortization	607,667	333,152
Noncash lease expense	83,809	95,600
Noncash interest expense	21,970	17,972
Noncash investor relations expense		66,767
Stock-based compensation	6,168,981	6,377,857
Change in fair value of common stock warrants	(22,758)	1,012,167
Change in fair value of contingent consideration	430,000	1,199,000
Unrealized loss (gain) on investments	842,538	(44,871)
Increase (decrease) in cash arising from changes in assets and liabilities:
Accounts receivable	110,111	(140,559)
Prepaid expenses and other current assets	(1,060,915)	(1,419,395)
Grant receivable	(1,318,359)
Other assets	(12,193,540)
Accounts payable	(126,937)	(452,778)
Accrued expenses and other liabilities	929,023	(223,882)
Deferred revenue	(806,217)	(2,769,101)
Deferred tax liability	(145,974)
Other long-term liabilities	17,286	36,243
Deposits	(83,122)	271,858
Net Cash Used in Operating Activities	(38,128,906)	(22,021,359)
Cash Flows from Investing Activities
Purchase of short-term investments	(66,960,279)	(105,925,802)
Sale of short-term investments	78,635,257	10,842,157
Purchase of property and equipment	(1,904,713)	(337,972)
Proceeds from disposal of property and equipment		2,168
Net Cash Provided by (Used in) Investing Activities	9,770,265	(95,419,449)
Cash Flows from Financing Activities
Proceeds from public offering of common stock and warrants, net of issuance costs		6,600,971
Proceeds from the issuance of common stock	26,304,282	117,373,495
Proceeds from exercise of stock options	27,261
Proceeds from exercise of warrants		675,675
Stock issuance costs	(658,184)	(3,103,833)
Cash paid for fractional shares in connection with reverse stock split		(97,052)
Payment of contingent consideration		(2,005,000)
Proceeds from PPP loan		702,000
Repayment of PPP loan		(702,000)
Repayments on principal of finance lease	(183,010)	(115,199)
Net Cash Provided by Financing Activities	25,490,349	119,329,057
Effect of exchange rate changes on cash and cash equivalents	(9,719)	3,754
Net Change in Cash and Cash Equivalents	(2,878,011)	1,892,003
Cash and Cash Equivalents - Beginning of Period	10,931,890	9,039,887
Cash and Cash Equivalents - End of Period	8,053,879	10,931,890
Supplemental Disclosure for Cash Flow Information:
Right-of-use assets obtained on operating lease commencements	88,596	75,244
Right-of-use assets obtained on operating lease modifications	37,767
Right-of-use assets obtained on financing lease commencements	$ 408,677	173,822
Supplemental disclosure of non-cash investing and financing activities:
Allocation of proceeds from public offering to warrant liabilities		2,494,823
Cashless exercise of warrants classified as liabilities		2,766,647
Cashless exchange of warrants classified as liabilities		$ 773,330