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Note 3 - Related Parties - Related Party Activities (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Jun. 01, 2019	Dec. 31, 2018
Total notes & accounts receivables and deposits	$ 1,027,126		$ 1,027,126			$ 151,222
Total noncurrent notes receivables	2,490,528		2,490,528			1,282,072
Equity investment in Nutracom	505,000		505,000
Other revenue			332,657
Fullfillment & professional fees			305,910
Interest income on promissory notes			92,668	44,778
Gain on sale of fixed assets		$ (962)	434,549	2,838
Unbilled Revenues [Member]
Unbilled receivables: Straight line rent revenue greater than rental billings	47,866		47,866
Nutracom, LLC [Member]
Deposits with Nutracom for inventory	827,356		827,356
Equity investment in Nutracom	505,000		505,000
Trade accounts payable and other accrued expenses	62,849		62,849
Deferred rent liability	125,000		125,000
Gain on sale of fixed assets			434,549
Finished goods inventory purchased from Nutracom			2,763,000
Nutracom, LLC [Member] \| Unsecured Promissory Note, 7 Percent Interest Rate [Member]
Notes Receivable, Related Parties, Noncurrent	764,344		764,344		$ 764,344
Nutracom, LLC [Member] \| Unsecured Promissory Note, 6 Percent Interest Rate [Member]
Notes Receivable, Related Parties, Noncurrent	460,583		460,583		$ 460,583
Distributor [Member]
Notes receivable	126,778		126,778			123,040
Notes Receivable, Related Parties, Noncurrent	1,217,735		1,217,735			1,282,072
Nutracom LLC and Distributor [Member]
Total notes & accounts receivables and deposits	$ 72,992		$ 72,992			$ 28,182