v3.26.1
CONSOLIDATED BALANCE SHEETS - USD ($)
Dec. 31, 2025
Dec. 31, 2024
Current assets:    
Cash and cash equivalents $ 955,000 $ 587,900
Investment securities 5,705,000 1,985,000
Trade accounts receivable, less allowance for doubtful accounts of $8,300 and $15,600 at December 31, 2025 and 2024, respectively 865,800 581,900
Inventories 1,401,300 2,059,100
Income tax receivable 73,600 73,600
Prepaid expenses and other current assets 1,115,300 324,200
Current assets of discontinued operations 272,900 2,676,000
Total current assets 10,388,900 8,287,700
Property and equipment, net 690,900 796,300
Goodwill 115,300 115,300
Other intangible assets, net 103,500 746,000
Inventories 346,700 509,500
Operating lease right-of-use assets 924,000 947,900
Other assets 38,300 63,100
Other assets of discontinued operations 0 95,000
Total assets 12,607,600 11,560,800
Current liabilities:    
Accounts payable 449,100 282,700
Accrued expenses 416,700 629,100
Contract liabilities 99,800 63,500
Lease liabilities, current portion 371,400 307,300
Current liabilities of discontinued operations 12,300 464,400
Total current liabilities 1,349,300 1,747,000
Lease liabilities, less current portion 595,300 694,400
Total liabilities 1,944,600 2,441,400
Shareholders' equity:    
Common stock, $0.05 par value; 30,000,000, shares authorized; 11,928,599 and 10,503,599, shares issued and outstanding at December 31, 2025 and 2024 596,400 525,200
Additional paid-in capital 45,039,500 42,637,800
Accumulated comprehensive income (loss) 178,000 (113,100)
Accumulated deficit (35,150,900) (33,930,500)
Total shareholders' equity 10,663,000 9,119,400
Total liabilities and shareholders' equity $ 12,607,600 $ 11,560,800