Condensed Consolidated Statements of Cash Flows - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Cash flows from operating activities
Net income	$ 3,050,000	$ 567,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	2,464,000	1,892,000	$ 1,892,000
Provision for bad debt	0	38,000
Change in fair value of interest rate swap	(1,323,000)	2,415,000
Amortization of loan fees	3,000	3,000
(Increase) decrease in operating assets
Accounts receivable	(1,741,000)	(2,006,000)
Inventories	3,049,000	(1,187,000)
Prepaid expenses and other current assets	3,108,000	(452,000)
Due from affiliated companies	0	(14,000)
Deposits	(41,000)	(2,272,000)
Other assets	2,000	1,000
Increase (decrease) in operating liabilities
Accounts payable	(2,883,000)	1,899,000
Accrued expenses	551,000	581,000
Related party payable	(1,618,000)	469,000
Credit cards payable	(160,000)	(285,000)
Income taxes payable	(41,000)	0
Customer deposits	84,000	(148,000)
Net cash provided by operating activities	4,504,000	1,501,000
Cash flows from investing activities
Purchases of property and equipment	(273,000)	(2,252,000)
Deposits paid for property and equipment	(921,000)	(759,000)
Acquisition of Pacific Cup, Inc.	(900,000)	0
Net cash used in investing activities	(2,094,000)	(3,011,000)
Cash flows from financing activities
Net proceeds from line of credit	70,000	2,790,000
Proceeds from long-term debt, net of issuance cost	0	2,000,000
Payments on long-term debt	(1,888,000)	(1,738,000)
Payments on capital lease obligations	(79,000)	(78,000)
Net cash (used in) provided by financing activities	(1,897,000)	2,974,000
Net increase in cash and cash equivalents	513,000	1,464,000
Beginning of year	448,000	802,000	802,000
End of year	961,000	2,266,000	$ 448,000
Supplemental disclosures of non-cash investing and financing activities:
Capital expenditures funded by capital lease borrowings	0	23,000
Transfers from deposit to property and equipment	473,000	1,012,000
Acquisition of Pacific Cup, Inc. included within deposits	100,000	0
Supplemental disclosures of cash flow information:
Cash paid for income tax	0	0
Cash paid for interest	$ 1,088,000	$ 941,000