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Consolidated Statements of Cash Flows - USD ($)
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Cash Flows from Operating Activities:    
Net loss $ (31,460,000) $ (61,410,000)
Adjustments required to reconcile net loss to net cash used in operating activities:    
Bad debt expense 132,000 686,000
Depreciation 3,835,000 3,879,000
Amortization of right-of-use financing lease asset 1,223,000 939,000
Non-cash operating lease expense 980,000 1,087,000
Provision for deferred income taxes 14,000 14,000
Share-based compensation 2,908,000 4,829,000
Asset Impairment Charges 3,754,000 10,214,000
Amortization of debt discount 198,000 541,000
Amortization of intangible assets 1,200,000 4,675,000
Adjustment to inventory to net realizable value 0 120,000
(Gain) loss due to the remeasurement of the STS Earnout and Contingent Consideration, net (1,900,000) 100,000
Loss (gain) on remeasurement of ATD Holdback Shares 120,000 (599,000)
Gain on sale of property and equipment (9,000) (27,000)
Gain on the sale of Global Public Safety 0 (1,500,000)
Changes in operating assets and liabilities, net of acquisition:    
Accounts receivable (1,670,000) 220,000
Inventory 1,255,000 1,159,000
Other current assets and deposits (288,000) 522,000
Accounts payable, accrued expenses and other current liabilities (1,490,000) (2,319,000)
Contract liabilities 1,269,000 (316,000)
Lease liabilities (443,000) (876,000)
Net cash used in operating activities (20,372,000) (32,469,000)
Cash Flows from Investing Activities:    
Capital expenditures (2,531,000) (1,682,000)
Proceeds from the sale of property and equipment 75,000 34,000
Proceeds from notes receivable 284,000 340,000
Proceeds from the sale of Global Public Safety 0 1,500,000
Cash paid for ATD acquisition, net 0 (9,222,000)
Net cash used in investing activities (2,172,000) (9,030,000)
Cash Flows from Financing Activities:    
Repayment of STS Notes (1,000,000) (1,000,000)
Proceeds from the public offering 0 26,362,000
Net proceeds from the Prepaid Advance Agreement 0 14,100,000
Net proceeds from exercise of options 73,000 266,000
Net proceeds from exercise of warrants 0 5,145,000
Payments related to financing leases (969,000) (994,000)
Repayments of loans payable (78,000) (75,000)
Repurchases of common stock (189,000) (189,000)
Repayment of 2023 Promissory Notes 0 (12,500,000)
Net cash provided by financing activities 34,078,000 31,115,000
Net increase (decrease) in cash, cash equivalents and restricted cash 11,534,000 (10,384,000)
Cash, cash equivalents and restricted cash at beginning of the year 5,329,000 15,713,000
Cash, cash equivalents and restricted cash at end of the year 16,863,000 5,329,000
Reconciliation of cash, cash equivalents and restricted cash:    
Cash and cash equivalents at end of the year 16,566,000 5,013,000
Restricted cash and cash equivalents at end of the year 297,000 316,000
Cash, cash equivalents and restricted cash at end of the year 16,863,000 5,329,000
The 2025 At Market Issuance Sales Agreement [Member]    
Cash Flows from Financing Activities:    
Proceeds from Offerings 22,350,000 0
Underwriting Agreement 2025 [Member]    
Cash Flows from Financing Activities:    
Proceeds from 2025 Underwriting Agreement, net 13,891,000 0
Debt Excluding Prepaid Advance [Member]    
Adjustments required to reconcile net loss to net cash used in operating activities:    
Loss on settlement of Prepaid Advance 0 4,693,000
Prepaid Advance Agreement [Member]    
Adjustments required to reconcile net loss to net cash used in operating activities:    
Loss on settlement of Prepaid Advance $ 0 $ 900,000