Consolidated Cash Flow Statements - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Operations
Net income	$ 6,383,943	$ 2,780,713
Adjustments to reconcile net income to net cash from (used in) operations:
Depreciation, amortization, and other	728,626	520,298
Stock-based compensation to employees, officers and directors	325	0
Changes in operating assets and liabilities:
Trade receivables	151,124	(1,877,783)
Inventories	(497,444)	1,464,843
Prepaid expenses	(108,884)	(3,375)
Other assets	7,145	(47,374)
Accounts payable and accrued expenses	(29,332)	(492,952)
Accounts payable, related party	0	(3,074,021)
Operating leases	(1,984)	124,713
Customer deposits and other liabilities	263,572	62,110
Net cash from (used in) operations	6,897,091	(542,828)
Investing
Investment in note receivable	(2,100,000)	0
Purchase of property and equipment	(5,864,588)	(102,989)
Purchase of intangible assets	0	(60,000)
Acquisition of Echo Entities, net of cash acquired	0	(5,876,516)
Net cash used in investing	(7,964,588)	(6,039,505)
Financing
Short-term financing, line of credit	0	150,000
Financing for the acquisition of the Echo Entities	0	6,925,979
Financing to pay off accounts payable, related party	0	3,074,021
Payments on short-term financing, line of credit	0	(150,000)
Payments on notes payable, related party	(279,210)	(360,948)
Payments on notes payable	(26,117)	0
Proceeds from PPP loan	1,668,200	0
Proceeds from notes payable for retail and office buildings	4,412,000	0
Net cash from (used in) financing	5,774,873	9,639,052
Net change in cash and cash equivalents	4,707,376	3,056,719
Cash and cash equivalents, beginning of period	4,510,660	1,453,941
Cash and cash equivalents, end of period	9,218,036	4,510,660
Cash paid during the period for:
Interest	620,499	390,864
Income taxes	$ 59,025	$ 43,578