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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2022 | Sep. 30, 2021
Cash flows from operating activities: |  |
Net income (loss) | $ 796 | $ 7,546
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |
Depreciation and amortization | 2,127 | 1,976
Gain on forgiveness of PPP loan | 0 | (2,692)
(Gain) loss on sale of property and equipment | (94) | (293)
Unrealized (gain) loss on investment securities available for sale | 0 | 5
Allowance for doubtful accounts | 0 | 25
Stock compensation | 379 | 258
Deferred taxes | (5) | (3)
(Increase) decrease in |  |
Accounts receivable - billed | (3,163) | (2,799)
Accounts receivable - unbilled | 161 | 259
Inventories | (1,139) | (1,002)
Prepaid expenses and other assets | (104) | 10
Refundable income taxes | 235 | 0
Increase (decrease) in |  |
Accounts payable - trade | 2,506 | 1,300
Accrued expenses and other liabilities | (230) | (86)
Deferred revenue | 227 | 1,959
Accrued compensation | (444) | (68)
Accrued income taxes | (1,918) | 1,016
Deferred buy-back lease obligation | (2,851) | (903)
Customer deposits | 184 | 1,054
Net cash provided by (used in) operating activities | (3,333) | 7,562
Cash flows from investing activities: |  |
Purchases of investment securities available-for-sale | 0 | (20)
Purchases of property and equipment | (3,739) | (1,210)
Deferred buy-back asset | 1,909 | 0
Proceeds from the sale of property and equipment | 103 | 466
Net cash provided by (used in) investing activities | (1,727) | (764)
Cash flows from financing activities: |  |
Proceeds from long-term borrowings | 2,805 | 50
Repayments of long-term borrowings | (429) | (617)
Net cash provided by (used in) financing activities | 2,376 | (567)
Net increase (decrease) in cash | (2,684) | 6,231
Cash |  |
Beginning of period | 13,492 | 8,764
End of period | 10,808 | 14,995
Supplemental Cash Flow Information: |  |
Cash payments for interest | 187 | 145
Cash payments for income taxes | 2,179 | 713
Non-cash transaction - Gain on forgiveness of PPP loan | 0 | 2,692
Non-cash transaction - Deferred buy-back lease obligation | $ 2,851 | $ 903

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