v3.25.4
Consolidated Statements of Cash Flows - USD ($)
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Cash Flows From Operating Activities:      
Net income (loss) $ 78,301,000 $ (114,756,000) $ (99,587,000)
Adjustments to reconcile net income (loss) to net cash used in operating activities:      
Impairment loss   63,809,000 49,569,000
Depreciation and amortization 27,712,000 30,757,000 27,487,000
Amortization of debt discount 1,221,000 1,940,000 2,526,000
Non-cash operating lease expense 6,596,000 5,770,000 5,103,000
Unrealized (gain) loss on investments in equity securities (1,506,000) 899,000 (1,308,000)
Realized loss on investments in equity securities   48,000  
Realized loss on available-for-sale investments 2,209,000 4,091,000 67,000
Gain on extinguishment of debt   (18,505,000) (5,679,000)
Gain on divested business (116,953,000)    
Stock-based compensation expense 11,032,000 19,704,000 22,808,000
Loss on disposal of property and equipment 1,012,000 384,000 954,000
Gain on insurance settlement     (2,642,000)
Change in credit losses 304,000 (242,000) 822,000
Excess and obsolete inventory 393,000 234,000  
Insurance proceeds for operations     1,212,000
Change in contingent consideration (5,207,000) (1,847,000) (890,000)
Changes in operating assets and liabilities:      
Accounts receivable (6,527,000) (4,149,000) 3,673,000
Inventories (2,185,000) 3,252,000 1,508,000
Prepaid expenses and other current assets 1,353,000 (2,149,000) (103,000)
Deposits (189,000) (1,443,000) (663,000)
Operating lease liabilities (5,036,000) (5,340,000) (4,595,000)
Accounts payable and other accrued expenses (3,464,000) (76,000) (2,766,000)
Accrued compensation and related expenses 1,909,000 1,852,000 2,884,000
Deferred revenue (216,000) (179,000) 842,000
Net deferred tax liability 661,000 (377,000) (1,979,000)
Net cash used in operating activities (8,580,000) (16,323,000) (757,000)
Cash Flows From Investing Activities:      
Purchases of property and equipment (16,439,000) (17,254,000) (38,785,000)
Insurance proceeds for loss of fixed assets     976,000
Software development costs (1,832,000) (2,886,000) (5,244,000)
Purchases of short-term investments   (50,721,000) (42,677,000)
Proceeds from divested business 210,239,000    
Cash paid for acquisitions   (313,000) (7,341,000)
Sales/maturities of short-term investments 59,589,000 249,116,000 129,987,000
Patent and trademark costs (1,234,000) (1,127,000) (871,000)
Net cash provided by investing activities 250,323,000 176,815,000 36,045,000
Cash Flows From Financing Activities:      
Proceeds from exercise of stock options 3,972,000 2,790,000 1,478,000
Repurchase of common stock (10,011,000)    
Repayment of notes payable (161,000) (141,000) (71,000)
Repayment of finance lease liabilities (530,000) (408,000) (202,000)
Net cash used in financing activities (21,074,000) (161,531,000) (23,798,000)
Effect of exchange rates on cash and cash equivalents (15,464,000) (18,000) (1,739,000)
Net change in cash and cash equivalents 205,205,000 (1,057,000) 9,751,000
Cash and cash equivalents - beginning of period 45,289,000 46,346,000 36,595,000
Cash and cash equivalents - end of period 250,494,000 45,289,000 46,346,000
Reconciliation of cash and cash equivalents to the consolidated balance sheets:      
Cash and cash equivalents from continuing operations - beginning of period 34,137,000 35,192,000 29,233,000
Cash and cash equivalents from discontinued operations (included in current assets held for sale) - beginning of period 11,152,000 11,154,000 7,362,000
Total cash and cash equivalents - beginning of period 45,289,000 46,346,000 36,595,000
Cash and cash equivalents from continuing operations - end of period 250,494,000 34,137,000 35,192,000
Cash and cash equivalents from discontinued operations (included in current assets held for sale) - end of period   11,152,000 11,154,000
Total cash and cash equivalents - end of period 250,494,000 45,289,000 46,346,000
Supplemental Disclosure of Cash Flow Information:      
Cash paid for interest 1,628,000 2,693,000 3,399,000
Cash paid for income taxes 2,191,000 1,422,000 1,462,000
Supplemental Disclosure of Non-Cash Financing Activities:      
Operating lease right-of-use assets and operating lease liabilities 6,582,000 20,989,000 11,109,000
Net unrealized gain on available-for-sale debt securities 1,532,000 2,860,000 6,742,000
Reclassification of realized gain (loss) on available-for-sale debt securities to earnings 3,014,000 (6,624,000) (3,008,000)
Paid-in-kind preferred stock dividend, including beneficial conversion feature 8,000,000 8,000,000 8,000,000
Fixed assets included in accounts payable and accrued liabilities 218,000 103,000 442,000
Intangible assets included in property and equipment   252,000 8,710,000
Contingent consideration reclassed to accounts payable and accrued liabilities 881,000    
Purchase of equipment through finance lease obligation 388,000 936,000 1,112,000
2026 Senior Notes      
Cash Flows From Financing Activities:      
Repayment of Convertible Senior Notes 0 $ (163,772,000) $ (25,003,000)
2025 Senior Notes      
Cash Flows From Financing Activities:      
Repayment of Convertible Senior Notes $ (14,344,000)    

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