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Consolidated Statements of Cash Flows - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Cash flows from operating activities: |  |
Net income (loss) | $ 1,647,000 | $ (46,000)
Reconciliation of net income (loss) to cash provided by operating activities: |  |
Depreciation and amortization expense | 3,112,000 | 2,909,000
Amortization of debt issuance costs | 42,000 | 42,000
Compensation costs - stock options | 5,000 | 6,000
Provision for doubtful accounts | 36,000 | 40,000
Gain from disposal of equipment | (10,000) | (38,000)
Gain on debt extinguishment | (1,964,000) | (801,000)
Change in operating assets and liabilities: |  |
Accounts receivable | (1,225,000) | 3,225,000
Unbilled membership dues receivable | 7,000 | 17,000
Inventories | (195,000) | (97,000)
Prepaid expenses | (266,000) | (5,000)
Other assets, net | (25,000) | (62,000)
Accounts payable | 796,000 | (2,769,000)
Accrued payroll and other compensation | (12,000) | (152,000)
Accrued income taxes | 24,000 | (50,000)
Other accrued taxes | 80,000 | 27,000
Deferred membership dues revenue | 167,000 | 43,000
Other liabilities and accrued expenses | 144,000 | 282,000
Net cash provided by operating activities | 2,363,000 | 2,571,000
Cash flows from investing activities: |  |
Capital expenditures | (4,424,000) | (4,549,000)
Proceeds from disposal of equipment | 3,000 | 38,000
Net cash used in investing activities | (4,421,000) | (4,511,000)
Cash flows from financing activities: |  |
Proceeds under Paycheck Protection Program loans | 0 | 2,765,000
Principal payments on term loan facilities | (1,111,000) | (1,056,000)
Principal payments on finance lease obligations | (334,000) | (348,000)
Proceeds from exercise of employee stock options | 0 | 43,000
Net cash (used in) provided by financing activities | (1,087,000) | 1,404,000
Decrease in cash, cash equivalents and restricted cash | (3,145,000) | (536,000)
Cash, cash equivalents and restricted cash at beginning of year | 8,095,000 | 8,631,000
Cash, cash equivalents and restricted cash at end of year | 4,950,000 | 8,095,000
Significant non-cash operating and investing activities: |  |
Capital expenditures included in accounts payable | 271,000 | 147,000
Significant non-cash investing and financing activities: |  |
Operating lease right-of-use assets in exchange for lease obligations | 498,000 | 948,000
Finance lease obligations incurred | 104,000 | 391,000
Cash paid during the year for interest | 1,130,000 | 1,156,000
Cash paid during the year for income taxes | 65,000 | 148,000
Paycheck Protection Program CARES Act [Member] |  |
Significant non-cash operating and financing activities: |  |
Interest forgiven from Paycheck Protection Program Loans | 17,000 | 4,000
Subsidiaries [Member] |  |
Cash flows from financing activities: |  |
Proceeds from subsidiary private placement offering | $ 358,000 | $ 0

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