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Balance Sheets - USD ($)
Sep. 30, 2023
Dec. 31, 2022
Current assets:    
Cash and cash equivalents $ 1,460,553 $ 4,335,020
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss 0 16,864,707
Debt Securities, Available-for-Sale 16,177,122 0
Accounts receivable, net 614,381 646,771
Inventories 1,666,609 1,614,987
Prepaid expenses and other current assets 786,978 645,502
Total current assets 20,705,643 24,106,987
Fixed assets, net 272,838 165,619
Operating Lease, Right-of-Use Asset 281,891 370,609
Other Assets, Noncurrent 26,400 26,400
Total assets 21,286,772 24,669,615
Current liabilities:    
Accounts payable 225,474 368,082
Accrued expenses and compensation 886,501 589,939
Operating Lease, Liability, Current 148,391 148,391
Total current liabilities 1,260,366 1,106,412
Operating Lease, Liability, Noncurrent 122,870 207,516
Total liabilities 1,383,236 1,313,928
Commitments and contingencies
Stockholders’ equity:    
Common Stock, Value, Issued 859 777
Additional paid-in capital 228,155,613 226,934,775
Accumulated Other Comprehensive Income (Loss), Net of Tax 206,869 0
Accumulated deficit (208,459,806) (203,579,866)
Total stockholders’ equity 19,903,536 23,355,687
Total liabilities and stockholders’ equity $ 21,286,772 $ 24,669,615
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 8,588,455 7,771,938
Common Stock, Shares, Outstanding 8,588,455 7,771,938
Convertible preferred stock    
Stockholders’ equity:    
Preferred stock $ 1 $ 1
Preferred Non-Convertible Stock    
Stockholders’ equity:    
Preferred stock $ 0 $ 0