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Note 3 - Related Parties - Related Party Activities (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Jun. 01, 2019	Jan. 01, 2019	Dec. 31, 2018
Total notes & accounts receivables and deposits	$ 1,121,104		$ 1,121,104				$ 151,222
Total noncurrent notes receivables	2,481,563		2,481,563				1,282,072
Equity investment in Nutracom	505,000		505,000
Other revenue			564,389
Fullfillment & professional fees			458,826
Interest income on promissory notes			132,750	66,519
Gain on sale of fixed assets		$ (6,804)	434,549	(3,966)
Unbilled Revenues [Member]
Unbilled receivables: Straight line rent revenue greater than rental billings	71,799		71,799
Nutracom, LLC [Member]
Deposits with Nutracom for inventory	924,003		924,003
Equity investment in Nutracom	505,000		505,000
Trade accounts payable and other accrued expenses	224,784		224,784
Deferred rent liability	62,500		62,500
Gain on sale of fixed assets			434,549
Finished goods inventory purchased from Nutracom			4,042,000
Nutracom, LLC [Member] \| Unsecured Promissory Note, 7 Percent Interest Rate [Member]
Note receivable, noncurrent	764,344		764,344			$ 764,344
Nutracom, LLC [Member] \| Unsecured Promissory Note, 6 Percent Interest Rate [Member]
Note receivable, noncurrent	460,583		460,583		$ 460,583
Distributor [Member]
Note receivable - distributor, current	128,689		128,689				123,040
Note receivable, noncurrent	1,184,837		1,184,837				1,282,072
Nutracom LLC and Distributor [Member]
Total notes & accounts receivables and deposits	$ 68,412		$ 68,412				$ 28,182