Note 4 - Discontinued Operations - Discontinued Operations (Details) - USD ($)		12 Months Ended
	Dec. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Cash		$ 233,893	$ 793,040
Inventory, net			0
Prepaid and other current assets		93,933	256,251
TOTAL CURRENT ASSETS		327,826	3,543,855
Property and equipment, net		0	25,022
Finite-Lived Intangible Assets, Net, Ending Balance		2,222,074	1,706,762
TOTAL ASSETS		2,549,900	10,806,054
Accounts payable		1,657,008	1,412,459
Accrued interest		384,769	493,741
Accrued liabilities		9,627	957,946
Indebtedness to related parties		0	84,913
Income tax payable		896,495	761,509
Convertible notes payable, net		397,308	292,410
TOTAL LIABILITIES		4,332,772	12,279,982
Sales revenue		0	0
Cost of goods sold		0	0
Gross profit (loss)		0	0
General and administrative expenses		1,868,734	2,001,617
Gain on extinguishment		22,405	467,872
Gain on settlement of accounts payable		0	422,414
Gain on deconsolidation	$ 5,206,208	5,206,208	0
Interest expense		(474,768)	(1,285,460)
Loss on modification of line of credit		0	(650,000)
Loss on impairment of note receivable		(3,025,000)	0
Debt default penalty		0	(286,059)
Loss on disposal		(15,639)	0
Other income		9,000	0
Total other income/(expense)		1,722,206	(1,331,233)
Income tax expense (Note 8)		0	0
NET LOSS		(384,345)	(392,177)
Continuing Operations [Member]
Cash		233,893	793,040
Prepaid and other current assets		93,933	256,251
TOTAL CURRENT ASSETS		327,826	1,049,291
Property and equipment, net			25,022
Finite-Lived Intangible Assets, Net, Ending Balance		2,222,074	1,706,762
TOTAL ASSETS		2,549,900	2,781,075
Accounts payable		1,657,008	1,412,459
Accrued interest		384,769	493,741
Accrued liabilities		9,627	957,946
Notes and convertible notes payable, net		987,565	3,594,804
Indebtedness to related parties			84,913
Income tax payable		896,495	761,509
Convertible notes payable, net		397,308	292,410
TOTAL LIABILITIES		4,332,772	7,597,782
Sales revenue		0	0
Cost of goods sold		0	0
Gross profit (loss)		0	0
General and administrative expenses		1,868,734	2,001,617
LOSS FROM OPERATIONS		(1,868,734)	(2,001,617)
Gain on extinguishment		22,405	467,872
Gain on settlement of accounts payable		0	422,414
Gain on deconsolidation		5,206,208	0
Interest expense		(474,768)	(1,285,460)
Loss on modification of line of credit		0	(650,000)
Loss on impairment of note receivable		(3,025,000)	0
Debt default penalty		0	(286,059)
Loss on disposal		(15,639)	0
Other income		9,000	0
Total other income/(expense)		1,722,206	(1,331,233)
NET LOSS BEFORE INCOME TAXES		(146,528)	(3,332,850)
Income tax expense (Note 8)		0	0
NET LOSS		(146,528)	(3,332,850)
Discontinued Operations [Member]
Cash		0	352,593
Accounts receivable, net			400,175
Inventory, net			1,689,304
Prepaid and other current assets		0	52,492
TOTAL CURRENT ASSETS			2,494,564
Property and equipment, net			4,876,247
Finite-Lived Intangible Assets, Net, Ending Balance			571,264
Deposits and other noncurrent assets		0	82,904
TOTAL ASSETS			8,024,979
Accounts payable			509,477
Accrued interest			49,211
Accrued liabilities			105,421
Notes and convertible notes payable, net			485,000
Finance lease obligations, current			143,967
Finance lease obligations, long term			3,389,124
TOTAL LIABILITIES			4,682,200
Sales revenue		3,369,812	4,110,456
Cost of goods sold		(3,072,622)	(3,506,722)
Gross profit (loss)		297,190	603,734
General and administrative expenses		264,515	276,986
LOSS FROM OPERATIONS		32,675	326,748
Gain on extinguishment		0	0
Gain on settlement of accounts payable		0	54,958
Gain on deconsolidation		0	0
Interest expense		(302,923)	(486,481)
Loss on modification of line of credit		0	0
Loss on impairment of note receivable		0	0
Debt default penalty		0	0
Loss on disposal		0	0
Other income		20,889	(118,875)
Total other income/(expense)		(282,034)	(550,398)
NET LOSS BEFORE INCOME TAXES		(249,359)	(223,650)
Income tax expense (Note 8)		(134,986)	(168,527)
NET LOSS		(384,345)	(392,177)
Segment, Continuing and Discontinued Operations [Member]
Cash		233,893	1,145,633
Accounts receivable, net			400,175
Inventory, net			1,689,304
Prepaid and other current assets		93,933	308,743
TOTAL CURRENT ASSETS		327,826	3,543,855
Property and equipment, net			4,901,269
Finite-Lived Intangible Assets, Net, Ending Balance		2,222,074	2,278,026
Deposits and other noncurrent assets			82,904
TOTAL ASSETS		2,549,900	10,806,054
Accounts payable		1,657,008	1,921,936
Accrued interest		384,769	542,952
Accrued liabilities		9,627	1,063,367
Notes and convertible notes payable, net		987,565	4,079,804
Indebtedness to related parties			84,913
Income tax payable		896,495	761,509
Finance lease obligations, current			143,967
Convertible notes payable, net		397,308	292,410
Finance lease obligations, long term			3,389,124
TOTAL LIABILITIES		4,332,772	12,279,982
Sales revenue		3,369,812	4,110,456
Cost of goods sold		(3,072,622)	(3,506,722)
Gross profit (loss)		297,190	603,734
General and administrative expenses		2,133,249	2,278,603
LOSS FROM OPERATIONS		(1,836,059)	(1,674,869)
Gain on extinguishment		22,405	467,872
Gain on settlement of accounts payable		0	477,372
Gain on deconsolidation		5,206,208	0
Interest expense		(777,691)	(1,771,941)
Loss on modification of line of credit		0	(650,000)
Loss on impairment of note receivable		(3,025,000)	0
Debt default penalty		0	(286,059)
Loss on disposal		(15,639)	0
Other income		29,889	(118,875)
Total other income/(expense)		1,440,172	(1,881,631)
NET LOSS BEFORE INCOME TAXES		(395,887)	(3,556,500)
Income tax expense (Note 8)		(134,986)	(168,527)
NET LOSS		$ (530,873)	$ (3,725,027)