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Consolidated Balance Sheets - USD ($)
Sep. 30, 2020
Dec. 31, 2019
Current assets    
Cash and cash equivalents $ 5,389,414 $ 4,780,107
Other receivables 213,560 555,210
Prepaid expenses 1,381,462 1,108,615
Total current assets 6,984,436 6,443,932
Property and equipment, net 42,349 63,531
Other non-current assets 634,957 935,325
Total assets 7,661,742 7,442,788
Current liabilities    
Accounts payable 1,555,307 1,083,183
Accrued expenses 2,454,048 2,098,653
Deferred grant funding 2,178,379 2,019,674
Note payable 367,285 0
Current portion of contingent consideration 1,000,000 0
Current portion of lease liabilities 409,647 410,896
Total current liabilities 7,964,666 5,612,406
Deferred license revenue 1,000,000 0
Contingent consideration, net of current portion 0 1,000,000
Lease liabilities long-term 82,964 389,556
Total liabilities 9,047,630 7,001,962
Commitments and contingencies (Note 8)
Stockholders' equity (deficit)    
Preferred stock, $0.01 par value, 5,000,000 shares authorized; None issued and outstanding 0 0
Common stock, $0.0001 par value; 120,000,000 shares authorized; 33,602,516 and 19,683,401 shares issued and outstanding at September 30, 2020 and December 31, 2019, respectively 3,360 1,968
Accumulated other comprehensive loss (112,807) (102,625)
Additional paid-in capital 61,712,882 44,564,674
Accumulated deficit (62,989,323) (44,023,191)
Total stockholders' equity (deficit) (1,385,888) 440,826
Total liabilities and stockholders' equity (deficit) $ 7,661,742 $ 7,442,788