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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Cash flows from operating activities |  |
Net income | $ 9,186 | $ 7,943
Adjustments to reconcile net income to net cash provided by (used in) operating activities: |  |
Depreciation and amortization (including $304 and $303 associated with variable interest entity for the three months ended March 31, 2023 and 2022, respectively) | 2,633 | 2,584
Adjustments to allowance for doubtful accounts | (652) | 500
Adjustments to inventory reserve | 288 | 476
Write-off of inventory | 216 | 0
Loss on disposal of fixed assets | 82 | 0
Change in fair value of interest rate swap (including $0 and $1,313 associated with variable interest entity for the three months ended March 31, 2023 and 2022, respectively) | 0 | (1,313)
Amortization of loan fees (including $16 and $9 associated with variable interest entity for the three months ended March 31, 2023 and 2022, respectively) | 17 | 9
Stock-based compensation | 277 | 611
Amortization of operating right-of-use assets | 997 | 650
(Increase) decrease in operating assets |  |
Accounts receivable (including $7 and $18 associated with variable interest entity for the three months ended March 31, 2023 and 2022, respectively) | (2,409) | (11,061)
Inventories | (207) | (19,341)
Prepaid expenses and other current assets (including $52 and $108 associated with variable interest entity for the three months ended March 31, 2023 and 2022, respectively) | 1,023 | (895)
Other assets (including $88 and $122 associated with variable interest entity for the three months ended March 31, 2023 and 2022, respectively) | 9 | 88
Increase (decrease) in operating liabilities |  |
Accounts payable (including $1 and $390 associated with variable interest entity for the three months ended March 31, 2023 and 2022, respectively) | (1,978) | 5,526
Accrued expenses (including $415 and $136 associated with variable interest entity for the three months ended March 31, 2023 and 2022, respectively) | (1,127) | 547
Related party payable | 4,967 | (743)
Income taxes payable | 1,782 | 1,892
Customer deposits (including $17 and $7 associated with variable interest entity for the three months ended March 31, 2023 and 2022, respectively) | (326) | 233
Operating lease liability | (1,067) | (667)
Other liabilities | 22 | 0
Other payables | 452 | 1,534
Net cash provided by (used in) operating activities | 14,185 | (11,427)
Cash flows from investing activities |  |
Purchases of property and equipment | (1,042) | (824)
Proceeds from disposal of property and equipment | 25 | 0
Deposits paid for joint venture investment | (1,718) | (3,971)
Deposits refunded from joint venture investment | (2,900) | 0
Deposits paid for property and equipment | 950 | 0
Purchase of short-term investments | (10,000) | 0
Net cash used in investing activities | (14,685) | (4,795)
Cash flows from financing activities |  |
Proceeds from line of credit | 0 | 10,200
Proceeds from long-term debt (including $8,000 and $6,885 associated with variable interest entity for the three months ended March 31, 2023 and 2022, respectively) | 8,000 | 6,885
Payments for lender fees | (61) | 0
Payments on long-term debt (including $241 and $267 associated with variable interest entity for the three months ended March 31, 2023 and 2022, respectively) | (241) | (267)
Tax withholding on vesting of restricted stock units (including $0 and $310 associated with variable interest entity for the three months ended March 31, 2023 and 2022, respectively) | (14) | 0
Proceeds from exercise of common stock options | 0 | 51
Payments of noncontrolling interest tax withholding | 0 | (310)
Net cash provided by financing activities | 7,684 | 16,559
Net increase in cash and cash equivalents | 7,184 | 337
Cash and cash equivalents |  |
Beginning of period | 16,041 | 6,483
End of period | 23,225 | 6,820
Supplemental disclosures of non-cash investing and financing activities: |  |
Transfers from deposit to property and equipment | 4,381 | 416
Non-cash purchases of property and equipment | 1,159 | 0
Supplemental disclosures of cash flow information: |  |
Cash paid for income tax | 0 | 200
Cash paid for interest | $ 421 | $ 440

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