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Consolidated Statements of Cash Flows (Unaudited) - USD ($) | 9 Months Ended
--- | ---
Sep. 30, 2021 | Sep. 30, 2020
Cash flows from operating activities: |  |  |  |
Net income | $ 3,179,000 |  | $ 2,783,000 |
Less: loss from discontinued operations, net of taxes (Note 10) | (285,000) |  | (266,000) |
Income from continuing operations, net of taxes | 3,464,000 |  | 3,049,000 |
Adjustments to reconcile income from continuing operations to cash (used in) provided by operating activities: |  |  |  |
Depreciation and amortization | 1,208,000 |  | 1,189,000 |
Interest on finance lease with purchase option | 7,000 |  | 6,000 |
(Gain) loss on extinguishment of debt | (5,381,000) |  | 27,000 |
Amortization of debt issuance/debt discount costs | 28,000 |  | 187,000 |
Deferred tax benefit | (2,931,000) |  | (2,000) |
Provision for (recovery of) bad debt reserves | 1,000 |  | (94,000) |
Loss on disposal of property and equipment | 1,000 |  | 27,000 |
Issuance of common stock for services | 304,000 |  | 166,000 |
Stock-based compensation | 149,000 |  | 161,000 |
Changes in operating assets and liabilities of continuing operations |  |  |  |
Accounts receivable | (2,158,000) |  | (170,000) |
Unbilled receivables | 8,757,000 |  | (6,382,000) |
Prepaid expenses, inventories and other assets | 1,700,000 |  | 1,284,000 |
Accounts payable, accrued expenses and unearned revenue | (9,180,000) |  | 4,055,000 |
Cash (used in) provided by continuing operations | (4,031,000) |  | 3,503,000 |
Cash used in discontinued operations | (296,000) |  | (329,000) |
Cash (used in) provided by operating activities | (4,327,000) |  | 3,174,000 |
Cash flows from investing activities: |  |  |  |
Purchases of property and equipment | (1,132,000) | [1] | (1,488,000) | [2]
Proceeds from sale of property and equipment | 1,000 |  | 4,000 |
Cash used in investing activities of continuing operations | (1,131,000) |  | (1,484,000) |
Cash provided by investing activities of discontinued operations |  |  | 118,000 |
Cash used in investing activities | (1,131,000) |  | (1,366,000) |
Cash flows from financing activities: |  |  |  |
Repayments of revolving credit borrowings | (59,900,000) |  | (72,601,000) |
Borrowing on revolving credit | 59,900,000 |  | 72,280,000 |
Proceeds from issuance of long-term debt |  |  | 5,666,000 |
Principal repayments of finance lease liabilities | (281,000) |  | (411,000) |
Principal repayments of long term debt | (330,000) |  | (2,127,000) |
Payment of debt issuance costs | (40,000) |  | (85,000) |
Proceeds from sale of Common Stock, net of Offering costs paid (Note 15) | 618,000 |  |  |
Proceeds from stock subscription, net of Offering costs paid (Note 15) | 4,816,000 |  |  |
Proceeds from issuance of common stock upon exercise of options |  |  | 6,000 |
Cash provided by financing activities of continuing operations | 4,783,000 |  | 2,728,000 |
Effect of exchange rate changes on cash | (4,000) |  | (4,000) |
(Decrease) increase in cash and finite risk sinking fund (restricted cash) | (679,000) |  | 4,532,000 |
Cash and finite risk sinking fund (restricted cash) at beginning of period | 19,370,000 |  | 11,697,000 |
Cash and finite risk sinking fund (restricted cash) at end of period | 18,691,000 |  | 16,229,000 |
Supplemental disclosure: |  |  |  |
Interest paid | 163,000 |  | 286,000 |
Income taxes paid | 15,000 |  | 34,000 |
Equipment purchase subject to finance lease | 319,000 |  | 856,000 |
Equipment purchase subject to financing | $ 29,000 |  | $ 27,000 |
[1] | Net of financed amount of $271,000 and $348,000 for the three and nine months ended September 30, 2021, respectively.
[2] | Net of financed amount of $751,000 and $883,000 for the three and nine months ended September 30, 2020, respectively.

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