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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 30, 2022 | Dec. 31, 2021 | Jan. 01, 2021
Cash flows from operating activities: |  |  |
Net income (loss) | $ (8,448) | $ (8,417) | $ (14,496)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |  |
Depreciation and amortization | 17,489 | 17,146 | 18,743
Deferred income taxes, net | (1,694) | (2,738) | (5,209)
(Gain) loss on sale/disposal of equipment | (64) | (24) | (15)
Provision for doubtful accounts | 243 | 102 | 1,330
Stock-based compensation | 8,373 | 16,563 | 16,113
Accretion and fair value adjustments of contingent consideration | 3,168 | 2,333 | 7,707
Changes in operating assets and liabilities, net of effects from business acquisitions: |  |  |
Accounts receivable | 6,766 | (14,209) | 3,070
Contract assets | (23,772) | 3,138 | 35,498
Other receivables | 1,494 | 138 | (1,192)
Prepaid expenses and other current assets | (1,230) | 828 | 577
Other assets | 3,223 | (7,849) | 9,955
Accounts payable | (7,839) | (4,700) | 7,372
Accrued liabilities | 12,970 | 1,625 | (34,509)
Contract liabilities | (914) | 6,065 | 1,871
Right-of-use assets | (332) | (197) | 210
Net cash provided by operating activities | 9,433 | 9,804 | 47,025
Cash flows from investing activities: |  |  |
Purchase of equipment and leasehold improvements | (9,602) | (8,500) | (5,076)
Proceeds from sale of equipment | 75 | 46 | 17
Net cash used in investing activities | (9,527) | (8,454) | (5,059)
Cash flows from financing activities: |  |  |
Payments on contingent consideration | (10,206) | (6,615) | (1,433)
Receipt of restricted cash | 10,679 |  |
Payments on notes payable | (1,920) | (1,909) | (205)
Payments on debt issuance costs | (177) |  | (327)
Proceeds from notes payable | 1,718 | 2,074 | 1,140
Borrowings under term loan facility and line of credit | 20,000 |  | 24,000
Repayments under term loan facility and line of credit | (13,000) | (13,000) | (42,000)
Principal payments on finance leases | (1,054) | (545) | (549)
Proceeds from stock option exercise | 274 | 1,924 | 1,082
Proceeds from sales of common stock under employee stock purchase plan | 3,036 | 2,655 | 2,224
Cash used to pay taxes on stock grants | (992) | (3,117) | (2,946)
Restricted Stock Award and Units |  | (1) | 1
Net cash provided by (used in) financing activities | 8,358 | (18,534) | (19,013)
Net increase (decrease) in cash, cash equivalents and restricted cash | 8,264 | (17,184) | 22,953
Cash, cash equivalents and restricted cash at beginning of period | 11,221 | 28,405 | 5,452
Cash, cash equivalents and restricted cash at end of period | 19,485 | 11,221 | 28,405
Cash paid (received) during the period for: |  |  |
Interest | 5,066 | 3,545 | 5,031
Income taxes | (1,120) | (1,616) | 174
Supplemental disclosures of noncash investing and financing activities: |  |  |
(Gain) loss on cash flow hedge valuations, net of tax | 38 | 450 | (92)
Other working capital adjustment |  |  | 1,179
Equipment acquired under finance leases | $ 2,451 | $ 1,376 | $ 467

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