v3.26.1
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Cash flows from operating activities    
Net comprehensive income (loss) $ 8,265,000 $ (10,858,000)
Adjustments to reconcile net comprehensive loss to net cash used in operating activities:    
Loss on extinguishment of debt 628,000 0
Depreciation and amortization expenses 473,000 479,000
Changes in fair value of freestanding and hybrid financial instruments designated at Fair Value Option 337,000 1,343,000
Interest accrued 257,000  
Stock-based compensation, vested and released restricted stock units, and exercised stock options 155,000 301,000
Amortization of operating lease - right-of-use asset 47,000 67,000
Share in joint venture's loss 9,000 33,000
Changes in assets and liabilities    
Accounts receivable 1,453,000 304,000
Other receivable (37,000) (45,000)
Inventory 780,000 (209,000)
Prepaid expenses and other current assets 231,000 (487,000)
Other assets 37,000  
Accounts payable (3,755,000) 1,723,000
Accrued liabilities 41,000 141,000
Deferred revenue (42,000) (43,000)
Operating lease liability (49,000) (63,000)
Total cash provided by (used in) operating activities 8,830,000 (7,314,000)
Cash flows from financing activities    
Payment of 2025 Note Payable (4,000,000)  
Payment of Convertible Notes (2,435,000)  
Payment of insurance financing (180,000)  
Proceeds from Convertible Notes 0 3,448,000
Proceeds from issuance of shares in At the Market offering, net of issuance and offering costs of $0 and $17 in 2026 and 2025, respectively 0 1,756,000
Repayment of insurance financing 0 (188,000)
Payment of Tempesta Note 0 (50,000)
Total cash provided by (used in) financing activities (6,615,000) 4,966,000
Effects of foreign exchange rate changes on assets and liabilities 17,000 36,000
Net increase (decrease) in cash and restricted cash 2,232,000 (2,312,000)
Cash and restricted cash at beginning of the period 7,832,000 8,002,000
Cash and restricted cash at end of the period 10,064,000 5,690,000
Supplemental schedule of cash flow information    
Cash paid for interest 119,000 6,000
Supplemental schedule of non-cash financing and investing activities    
Stock dividends issued as Series O Convertible Preferred Stock 9,470,000  
First Insurance Financing 62,000 114,000
Recognition of operating lease - right-of-use asset and operating lease liability 0 341,000
Cash and restricted cash    
Cash 7,278,000 5,690,000
Restricted cash 2,786,000  
Total cash and restricted cash 10,064,000 5,690,000
Series O Convertible Preferred Stock    
Supplemental schedule of non-cash financing and investing activities    
Stock dividends issued as Series O Convertible Preferred Stock 9,470,000  
Streeterville | Series M Preferred Stock    
Supplemental schedule of non-cash financing and investing activities    
Warrants issued in exchange for preferred stock 1,511,000  
Deemed dividend related to conversion of preferred stock 1,511,000  
Streeterville | Series L Preferred Stock    
Supplemental schedule of non-cash financing and investing activities    
Warrants issued in exchange for preferred stock 4,647,000  
Deemed dividend related to conversion of preferred stock 2,163,000  
Streeterville | Common Stock    
Supplemental schedule of non-cash financing and investing activities    
Shares issued in exchange of notes payable and accrued interest 0 315,000
Irving | Common Stock    
Supplemental schedule of non-cash financing and investing activities    
Shares issued in exchange of notes payable and accrued interest 0 $ 1,210,000
Iliad | Series M Preferred Stock    
Supplemental schedule of non-cash financing and investing activities    
Warrants issued in exchange for preferred stock 1,910,000  
Deemed dividend related to conversion of preferred stock 1,910,000  
Iliad | Series L Preferred Stock    
Supplemental schedule of non-cash financing and investing activities    
Warrants issued in exchange for preferred stock 479,000  
Deemed dividend related to conversion of preferred stock $ 479,000