v3.25.4
CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Cash flows from operating activities:    
Net loss $ (7,383,000) $ (11,048,000)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:    
Provision for credit losses (45,000) 217,000
Depreciation and amortization 10,696,000 13,298,000
Impairment charge to goodwill and long-lived assets 0 1,137,000
Deferred income taxes (455,000) 113,000
Stock-based compensation 1,567,000 2,027,000
Unrealized currency translation (gain) loss (101,000) 188,000
Changes in operating assets and liabilities:    
Accounts receivable (4,280,000) 3,812,000
Inventories 8,709,000 (3,908,000)
Prepaid expenses and other current assets 8,082,000 (11,661,000)
Other non-current assets 1,047,000 333,000
Accounts payable 176,000 (446,000)
Deferred revenue 42,000 (728,000)
Accrued compensation, product warranty and other 453,000 (7,724,000)
Net cash provided by (used in) operating activities 17,108,000 (13,170,000)
Cash flows from investing activities:    
Capital expenditures (7,355,000) (7,417,000)
Cash paid for acquisition of intangible assets (34,000) (74,000)
Cash paid for business combination (3,775,000) 0
Purchases of marketable securities 0 (1,990,000)
Maturities and sales of marketable securities 0 60,467,000
Net cash provided by investing activities 3,888,000 52,389,000
Cash flows from financing activities:    
Proceeds from stock options exercised and employee stock purchase plan 50,000 110,000
Repurchase of treasury stock (1,743,000) 0
Net cash (used in) provided by financing activities (1,693,000) 110,000
Effect of exchange rate changes on cash and cash equivalents 35,000 (51,000)
Net increase in cash and cash equivalents 19,338,000 39,278,000
Cash and cash equivalents at beginning of period 50,572,000 11,294,000
Cash and cash equivalents at end of period 69,910,000 50,572,000
Supplemental disclosure of cash flow information:    
Settlement of certain receivables for a business combination 945,000 0
Changes in accrued other and accounts payable related to property and equipment additions 35,000 5,000
Right of use assets (ROU) assets arising from entering into new operating lease obligations 3,776,000 1,089,000
Other Fixed Assets    
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:    
(Gain) loss on disposals of fixed assets (381,000) 1,220,000
Cash flows from investing activities:    
Proceeds from the sale of fixed assets 2,288,000 1,403,000
50 Enterprise Center    
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:    
(Gain) loss on disposals of fixed assets (1,319,000) 0
Cash flows from investing activities:    
Proceeds from the sale of fixed assets 4,926,000 0
75 Enterprise Center    
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:    
(Gain) loss on disposals of fixed assets 300,000 0
Cash flows from investing activities:    
Proceeds from the sale of fixed assets $ 7,838,000 $ 0