CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended		12 Months Ended
	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Cash flows from operating activities
Net income	$ 10,677	$ 9,186	$ 7,200	$ 7,943	$ 19,863	$ 15,143
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization (including $607 and $606 associated with variable interest entity for the six months ended June 30, 2023 and 2022, respectively)					5,350	5,148
Adjustments to allowance for doubtful accounts					(843)	1,151
Adjustments to inventory reserve					(408)	513
Write-off of inventory	2,729				2,944	0
Impairment of deposits					523	0
Loss (gain) on disposal of machinery and equipment	(1,936)		21		(2,018)	17
Change in fair value of interest rate swap (including $0 and $2,159 associated with variable interest entity for the six months ended June 30, 2023 and 2022, respectively)					0	(2,159)
Amortization of loan fees (including $31 and $18 associated with variable interest entity for the six months ended June 30, 2023 and 2022, respectively)					40	18
Stock-based compensation					493	1,176
Amortization of operating right-of-use assets					2,281	1,790
(Increase) decrease in operating assets
Accounts receivable (including $3 and $18 associated with variable interest entity for the six months ended June 30, 2023 and 2022, respectively)					(2,061)	(6,848)
Inventories					(7,625)	(27,516)
Prepaid expenses and other current assets (including $9 and $115 associated with variable interest entity for the six months ended June 30, 2023 and 2022, respectively)					478	(1,697)
Other assets (including $21 and $28 associated with variable interest entity for the six months ended June 30, 2023 and 2022, respectively)					(36)	(76)
Increase (decrease) in operating liabilities
Accounts payable (including $1 and $493 associated with variable interest entity for the six months ended June 30, 2023 and 2022, respectively)					4,006	4,855
Accrued expenses (including $336 and $706 associated with variable interest entity for the six months ended June 30, 2023 and 2022, respectively)					(1,059)	552
Related party payable					2,187	1,201
Income taxes payable					5,105	(85)
Customer deposits (including $49 and $7 associated with variable interest entity for the six months ended June 30, 2023 and 2022, respectively)					(302)	404
Operating lease liability					(2,205)	(1,790)
Other liabilities (including $0 and $493 associated with variable interest entity for the six months ended June 30, 2023 and 2022, respectively)					172	9
Other payables					132	482
Net cash provided by (used in) operating activities					31,053	(7,746)
Cash flows from investing activities
Purchases of property and equipment					(1,816)	(1,615)
Proceeds from disposal of property and equipment					28	35
Payments for costs incurred from sale of machinery and equipment					(209)	0
Deposits paid for joint venture investment					(2,900)	(4,000)
Deposits refunded from joint venture investment					6,900	0
Deposit refund from cancelled property and equipment purchase					503	0
Deposits paid for property and equipment					(3,823)	(7,596)
Proceeds from settlement of interest rate swap (including $0 and $825 associated with variable interest entity for the six months ended June 30, 2023 and 2022, respectively)					0	825
Purchase of short-term investments (including $8,000 and $0 associated with variable interest entity for the six months ended June 30, 2023 and 2022, respectively)					(28,000)	0
Net cash used in investing activities					(29,317)	(12,351)
Cash flows from financing activities
Proceeds from line of credit					0	20,100
Payments on line of credit					0	(8,500)
Proceeds from long-term debt (including $8,000 and $27,477 associated with variable interest entity for the six months ended June 30, 2023 and 2022, respectively)					8,000	27,477
Payments for lender fees					(61)	0
Payments on long-term debt (including $476 and $21,139 associated with variable interest entity for the six months ended June 30, 2023 and 2022, respectively)					(476)	(21,139)
Tax withholding on vesting of restricted stock units					(18)	0
Proceeds from exercise of common stock options					0	51
Dividends paid to shareholders					6,965	0
Payments of noncontrolling interest tax withholding (including $0 and $874 associated with variable interest entity for the six months ended June 30, 2023 and 2022, respectively)					0	(874)
Net cash provided by financing activities					480	17,115
Net increase (decrease) in cash and cash equivalents					2,216	(2,982)
Cash and cash equivalents
Beginning of period		$ 16,041		$ 6,483	16,041	6,483	$ 6,483
End of period	$ 18,257		$ 3,501		18,257	3,501	$ 16,041
Supplemental disclosures of non-cash investing and financing activities:
Transfers from deposit to property and equipment					5,273	5,107
Non-cash purchases of property and equipment					819	0
Supplemental disclosures of cash flow information:
Cash paid for income tax					200	5,830
Cash paid for interest					$ 1,026	$ 1,074