v3.26.1
Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Cash flows from operating activities:    
Net income (loss) $ 8,493 $ (6,466)
Adjustments to reconcile net loss to net cash used in operating activities:    
Stock-based compensation expense 0 3
Bad debt expense 0 172
Recoveries of bad debt (140) 0
Gain from patent assignment 19,389 0
Loss on disposal of assets 2 18
Depreciation and amortization 50 58
Amortization of operating lease right-of-use assets 286 79
Inventory impairment loss 0 357
Changes in operating assets and liabilities:    
Accounts receivable and unbilled revenues 494 (51)
Inventory 0 223
Prepaid expenses and other current assets 44 382
Accounts payable, accrued payroll and employee benefits, and accrued expenses 157 (213)
Contract liabilities 37 (10)
Operating lease obligations (288) (144)
Net cash used in operating activities (10,254) (5,592)
Cash flows from investing activities:    
Purchase of property and equipment (91) (37)
Proceeds from patent assignment 19,389 0
Proceeds from sale of property and equipment 0 189
Net cash provided by investing activities 19,298 152
Cash flows from financing activities:    
Proceeds from issuance of common stock, net of offering costs 0 5,796
Principal payments on finance lease obligations (11) (17)
Net cash provided by (used in) financing activities (11) 5,779
Net change in cash and cash equivalents 8,931 272
Cash and cash equivalents at beginning of period 16,427 16,155
Cash and cash equivalents at end of period 25,358 16,427
Effect of exchange rate changes on cash and cash equivalents (102) (67)
Supplemental disclosure of cash flow information:    
Cash paid for interest 0 1
Cash paid (received) for income taxes (9) 15
Supplemental disclosure of non-cash activities:    
Property and equipment obtained in exchange for finance lease obligations 35 0
Right-of-use asset obtained in exchange for lease obligations $ 0 $ 668