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v3.25.1

Consolidated Balance Sheets (Current Period Unaudited) - USD ($) | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Current assets: |  |
Cash and cash equivalents | $ 5,064,941 | $ 6,506,750
Short-term investment securities | 2,284,472 | 2,756,577
Interest receivable | 23,213 | 24,248
Accounts receivable | 221,719 | 237,027
Prepaid expenses and other current assets | 210,867 | 303,066
Total current assets | 7,805,212 | 9,827,668
Non-current assets: |  |
Operating lease right-of-use asset, net | 79,229 | 92,211
Other assets | 10,437 | 10,396
Total assets | 7,894,878 | 9,930,275
Current liabilities: |  |
Accounts payable | 448,390 | 482,320
Accrued Liabilities, Current | 690,859 | 970,462
Deferred research and development obligations | 665,216 | 833,813
Operating lease liability, current portion | 55,895 | 54,249
Total current liabilities | 1,962,160 | 2,448,017
Non-current liabilities: |  |
Operating lease liability, net of current portion | 19,998 | 34,621
Total liabilities | 6,971,267 | 7,459,985
Stockholders’ equity: |  |
Preferred stock, $.0001 par value: Authorized shares - 5,000,000; none issued and outstanding | 0 | 0
Authorized shares - 100,000,000; issued shares - 42,367,748 and 42,089,301, outstanding shares - 30,090,661 and 29,835,799 as of March 31, 2025, and December 31, 2024, respectively | 42,368 | 42,090
Additional paid-in capital | 107,925,217 | 107,444,595
Treasury stock, shares held at cost - 12,253,502 | (18,929,915) | (18,929,915)
Accumulated deficit | (88,114,059) | (86,086,480)
Total stockholders’ equity | 923,611 | 2,470,290
Total liabilities and stockholders’ equity | 7,894,878 | 9,930,275
Nonrelated Party [Member] |  |
Current liabilities: |  |
Accrued interest | 80,000 | 80,000
Non-current liabilities: |  |
Convertible notes, net of issuance costs | 3,920,714 | 3,911,471
Related Party [Member] |  |
Current liabilities: |  |
Accrued interest | 21,800 | 27,173
Non-current liabilities: |  |
Convertible notes, net of issuance costs | $ 1,068,395 | $ 1,065,876

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