CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)	Mar. 31, 2021	Dec. 31, 2020
Current assets
Cash and cash equivalents	$ 840,092	$ 750,218
Accounts receivable, net of allowance of $54,000 and $27,000 as of March 31, 2021 and December 31, 2020, respectively	299,884	327,790
Notes receivable, net of allowance of $41,608 and $125,000 as of March 31, 2021 and December 31, 2020, respectively	260,000	350,000
Inventories, net	419,825	371,799
Prepaid expenses and other current assets	376,910	744,396
Assets of discontinued operations	5,401	5,551
Total current assets	2,202,112	2,549,754
Right-of-use operating lease asset	1,826,523	1,836,455
Property and equipment, net	666,306	455,222
Investment, held for sale		208,761
Intangible assets, net	912,500	984,375
Goodwill	2,484,200	2,484,200
Total assets	8,091,641	8,518,767
Current liabilities
Accounts payable and accrued expenses	733,065	1,513,761
Interest payable	106,141	16,790
Customer deposits	75,906	517,931
Operating lease liability, current	373,581	370,800
Accrued stock payable	60,900	94,861
Warrant derivative liability	236,995	561,368
Liabilities of discontinued operations	53,128	54,641
Total current liabilities	1,639,716	3,130,152
Operating lease liability, non-current	1,497,316	1,499,280
Long-term notes payable	3,276,285	2,598,965
Related party long-term notes payable (net of discount)	293,750	289,579
Total liabilities	6,707,067	7,517,976
Commitments and contingencies (Note 9)
Stockholders' equity
Preferred stock, no par value; 5,000,000 shares authorized; no shares issued and outstanding as of March 31, 2021 and December 31, 2020
Common stock, $0.001 par value; 200,000,000 and 100,000,000 shares authorized; 62,146,515 shares and 60,813,673 shares issued and outstanding on March 31, 2021 and December 31, 2020, respectively	62,144	60,813
Additional paid-in capital	78,632,934	75,891,414
Accumulated deficit	(77,310,504)	(74,951,436)
Total stockholders' equity	1,384,574	1,000,791
Total liabilities & stockholders' equity	$ 8,091,641	$ 8,518,767