CONSOLIDATED BALANCE SHEETS - USD ($)	Sep. 30, 2020	Dec. 31, 2019
Current Assets:
Cash and cash equivalents	$ 87,978,343	$ 12,232,418
Grants and accounts receivable, net of allowance for doubtful accounts of $69,640 at September 30, 2020 and $145,313 at December 31, 2019	5,797,306	4,467,087
Inventories	2,024,934	2,113,897
Prepaid expenses and other current assets	1,002,401	2,088,127
Total current assets	96,802,984	20,901,529
Property and equipment, net	2,077,542	1,925,325
Right of use asset	1,131,915	1,070,762
Other assets	4,269,637	3,484,894
Total Assets	104,282,078	27,382,510
Current Liabilities:
Accounts payable	2,386,361	2,039,222
Current maturities of long-term debt	9,166,667	1,666,666
Lease liability - current portion	432,423	428,083
Accrued expenses and other current liabilities	5,370,857	5,802,296
Total current liabilities	17,356,308	9,936,267
Long term debt, net of current maturities and debt issuance costs	5,993,125	13,385,522
Lease liability, net of current portion	699,492	642,679
Total Liabilities	24,048,925	23,964,468
Commitments and Contingencies (Note 6)
Stockholders' Equity:
Preferred Stock, Par Value $0.001, 5,000,000 shares authorized; -0- shares issued and outstanding at September 30, 2020 and December 31, 2019	0	0
Common Stock, Par Value $0.001, 100,000,000 shares authorized; 43,175,685 and 32,616,107 shares issued and outstanding at September 30, 2020 and December 31, 2019, respectively	43,176	32,616
Additional paid-in capital	276,656,202	191,648,907
Accumulated other comprehensive income (loss)	(517,302)	525,978
Accumulated deficit	(195,948,923)	(188,789,459)
Total Stockholders' Equity	80,233,153	3,418,042
Total Liabilities and Stockholders' Equity	$ 104,282,078	$ 27,382,510