v3.26.1
Consolidated Balance Sheets (Current Period Unaudited) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Current assets:    
Cash and cash equivalents $ 8,266 $ 7,164
Restricted cash 0 0
Investments in debt securities- short term 6,511 4,917
Trade accounts receivable, net 15 91
Inventories 47 46
Prepaid expenses and other current assets 421 1,302
Total current assets 15,260 13,520
Investments in debt securities- long term 4,070 7,606
Property and equipment, net 7,298 7,050
Patents and trademarks, net 14 21
Other Assets 127 108
Operating lease right-of-use asset 621 809
Total assets 27,390 29,114
Current liabilities:    
Accounts payable 210 152
Accrued liabilities 257 165
Other current liabilities 902 902
Lease liabilities—current 301 309
Total current liabilities 1,670 1,528
Lease liabilities—long-term 319 500
Total liabilities 1,989 2,028
Commitment and Contingencies
Shareholders' equity:    
Common stock, $0.001 par value; 1,100,000,000 shares authorized; 917,285,149 shares issued and outstanding at June 30, 2026 and December 31, 2025 917 917
Warrants 18,179 18,179
Additional paid-in capital 288,491 288,420
Accumulated deficit (282,199) (280,594)
Accumulated other comprehensive income 95 245
Non-controlling interest in subsidiary (82) (81)
Total shareholders' equity 25,401 27,086
Total liabilities and shareholders' equity $ 27,390 $ 29,114