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Note 3 - Related Parties - Related Party Activities (Details) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Jan. 01, 2019	Dec. 31, 2018
Total notes & accounts receivables and deposits	$ 1,269,527			$ 151,222
Total noncurrent notes receivables	2,897,249			1,282,072
Equity investment in Nutracom	505,000
Other revenue	158,566
Fullfillment & professional fees	151,102
Interest income on promissory notes	47,843	22,603
Gain on sale of fixed assets	434,549	3,800
Unbilled Revenues [Member]
Unbilled receivables: Straight line rent revenue greater than rental billings	23,933
Nutracom, LLC [Member]
Deposits with Nutracom for inventory	1,010,696
Equity investment in Nutracom	505,000
Trade accounts payable and other accrued expenses	257,396
Deferred rent liability	187,500
Gain on sale of fixed assets	434,549
Finished goods inventory purchased from Nutracom	979,900
Nutracom, LLC [Member] \| Secured Promissory Note [Member]
Notes receivable	121,553
Notes Receivable, Related Parties, Noncurrent	858,828		$ 1,000,000
Nutracom, LLC [Member] \| Unsecured Promissory Note [Member]
Notes Receivable, Related Parties, Noncurrent	764,344		$ 764,344
Distributor [Member]
Notes receivable	124,895			123,040
Notes Receivable, Related Parties, Noncurrent	1,250,144			1,282,072
Nutracom LLC and Distributor [Member]
Total notes & accounts receivables and deposits	$ 12,383			$ 28,182