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Balance Sheets - USD ($)
Sep. 30, 2024
Dec. 31, 2023
Current assets:    
Cash and cash equivalents $ 921,520 $ 1,731,946
Debt Securities, Available-for-Sale 13,913,080 16,265,205
Accounts receivable, net 149,092 518,824
Inventories 1,430,122 1,559,428
Prepaid expenses and other current assets 381,876 779,039
Total current assets 16,795,690 20,854,442
Fixed assets, net 219,106 293,449
Operating Lease, Right-of-Use Asset 147,824 250,150
Other Assets, Noncurrent 26,400 26,400
Total assets 17,189,020 21,424,441
Current liabilities:    
Accounts payable 347,641 215,509
Accrued expenses and compensation 719,609 876,739
Operating Lease, Liability, Current 142,621 148,391
Total current liabilities 1,209,871 1,240,639
Operating Lease, Liability, Noncurrent 0 92,485
Total liabilities 1,209,871 1,333,124
Commitments and contingencies
Stockholders’ equity:    
Common Stock, Value, Issued 203 152
Additional paid-in capital 232,030,177 229,960,346
Accumulated Other Comprehensive Income (Loss), Net of Tax 83,853 240,171
Accumulated deficit (216,135,085) (210,109,353)
Total stockholders’ equity 15,979,149 20,091,317
Total liabilities and stockholders’ equity $ 17,189,020 $ 21,424,441
Common Stock, Par or Stated Value Per Share $ 0.0001 $ 0.0001
Common Stock, Shares Authorized 25,000,000 25,000,000
Common Stock, Shares, Issued 2,033,306 1,524,939
Common Stock, Shares, Outstanding 2,033,306 1,524,939
Convertible preferred stock    
Stockholders’ equity:    
Preferred stock $ 1 $ 1
Preferred Non-Convertible Stock    
Stockholders’ equity:    
Preferred stock $ 0 $ 0