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Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) | 9 Months Ended
--- | ---
Sep. 30, 2025 | Sep. 30, 2024
Cash flows from operating activities: |  |
Net loss | $ (8,124,000) | $ (16,490,000)
Less: Loss from discontinued operations, net of taxes (Note 10) | (280,000) | (441,000)
Loss from continuing operations, net of taxes | (7,844,000) | (16,049,000)
Adjustments to reconcile loss from continuing operations to cash used in operating activities: |  |
Depreciation and amortization | 1,299,000 | 1,295,000
Amortization of debt issuance costs | 63,000 | 47,000
Deferred tax expense |  | 4,300,000
Provision for (recovery of) credit losses on accounts receivable | 57,000 | (9,000)
(Gain) loss on disposal of property and equipment | (2,000) | 1,000
Issuance of Common Stock for services | 356,000 | 361,000
Stock-based compensation | 597,000 | 466,000
Changes in operating assets and liabilities of continuing operations |  |
Accounts receivable | (365,000) | 990,000
Unbilled receivables | (3,406,000) | 1,155,000
Prepaid expenses, inventories and other assets | 1,678,000 | 2,277,000
Accounts payable, accrued expenses and deferred revenue | (745,000) | (5,805,000)
Cash used in continuing operations | (8,312,000) | (10,971,000)
Cash used in discontinued operations | (317,000) | (468,000)
Cash used in operating activities | (8,629,000) | (11,439,000)
Cash flows from investing activities: |  |
Purchases of property and equipment | (2,608,000) | (2,224,000)
Addition to permits and other intangible assets | (103,000) | (577,000)
Proceeds from sale of property and equipment | 28,000 | 1,000
Cash used in continuing operations | (2,683,000) | (2,800,000)
Cash used in discontinued operations | (36,000) | (49,000)
Cash used in investing activities | (2,719,000) | (2,849,000)
Cash flows from financing activities: |  |
Repayments of revolving credit borrowings | (57,209,000) | (78,313,000)
Borrowing on revolving credit | 57,209,000 | 78,313,000
Proceeds from sale of Common Stock completed in May 2024, net of offering costs paid |  | 18,495,000
Payment of offering costs from sale of Common Stock completed in December 2024 | (194,000) |
Principal repayments of finance lease liabilities | (228,000) | (218,000)
Principal repayments of long term debt | (470,000) | (675,000)
Payment of debt issuance costs | (19,000) | (61,000)
Proceeds from issuance of Common Stock upon exercise of options/warrant | 79,000 | 264,000
Cash (used in) provided by financing activities of continuing operations | (832,000) | 17,805,000
Effect of exchange rate changes on cash | 21,000 | 1,000
(Decrease) increase in cash and finite risk sinking fund (restricted cash) | (12,159,000) | 3,518,000
Cash and finite risk sinking fund (restricted cash) at beginning of period | 41,655,000 | 19,574,000
Cash and finite risk sinking fund (restricted cash) at end of period | 29,496,000 | 23,092,000
Supplemental disclosure: |  |
Interest paid | 355,000 | 349,000
Income taxes paid |  | 50,000
Non-cash financing activities: |  |
Equipment/property purchase subject to finance |  | 406,000
Equipment purchase subject to finance leases | $ 162,000 |

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- Definition Amount of cash inflow from exercise of option under share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 14 -Subparagraph (a) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-14 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2A -Subparagraph (a) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2A + Details
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- Definition Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480738/235-10-S50-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(f)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 15 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-15 + Details
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- Definition The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 15 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-15 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.6-03(i)(2)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479886/946-10-S99-3 + Details
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- Definition Amount of noncash expense for share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (a) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details
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