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Consolidated Balance Sheets (Current Period Unaudited) - USD ($)
Jun. 30, 2022
Dec. 31, 2021
Current assets:    
Cash and cash equivalents $ 9,476,412 $ 15,748,480
Short-term investment securities 6,163,833 4,511,780
Interest receivable 42,237 94,375
Accounts receivable 1,145,451 277,831
Prepaid expenses and other current assets 104,831 375,830
Total current assets 16,932,764 21,008,296
Non-current assets:    
Investment in Alphazyme 284,709 284,709
Other assets 6,024 6,117
Total assets 17,223,497 21,299,122
Current liabilities:    
Accounts payable 1,095,208 1,547,953
Accrued expenses 1,224,338 709,560
Deferred research and development obligations 901,331 151,147
Deferred license revenue, current portion 176,471 147,059
Total current liabilities 3,397,348 2,555,719
Deferred license revenue, net of current portion 264,706 352,941
Total liabilities 3,662,054 2,908,660
Commitments and contingencies (Note 4)
Stockholders’ equity:    
Preferred stock, $.0001 par value: Authorized shares - 5,000,000; none issued and outstanding 0 0
Common stock, $.001 par value:Authorized shares - 100,000,000; issued shares - 40,332,659 and 39,747,659, outstanding shares - 28,079,157 and 27,494,157 as of June 30, 2021, and December 31, 2020, respectively 40,518 40,483
Additional paid-in capital 101,977,102 101,026,496
Treasury stock, shares held at cost - 12,253,502 (18,929,915) (18,929,915)
Accumulated deficit (69,526,262) (63,746,602)
Total stockholders’ equity 13,561,443 18,390,462
Total liabilities and stockholders’ equity $ 17,223,497 $ 21,299,122