Note 3 - Acquisitions (Details Textual)			1 Months Ended	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 05, 2018 $ / shares shares	Sep. 01, 2018 USD ($) $ / shares shares	Jul. 31, 2018 USD ($) $ / shares shares	Feb. 28, 2019 USD ($) $ / shares shares	Feb. 28, 2018 USD ($)	Feb. 28, 2019 USD ($) $ / shares shares	Feb. 28, 2018 USD ($)	May 31, 2018 USD ($) $ / shares shares	Jan. 11, 2019 $ / shares shares	Nov. 30, 2018 $ / shares
Common Stock, Par or Stated Value Per Share | $ / shares	$ 0.0001			$ 0.0001		$ 0.0001		$ 0.0001
Common Stock, Shares, Issued, Total				212,855,309		212,855,309		129,671,679
Advance Payments Converted to Equity | $						$ 2,392,441		$ 2,392,441
Share-based Payment Arrangement, Noncash Expense, Total | $				$ 6,386,862		$ 16,908,344	$ 82,500
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares				$ 0.696		$ 0.696
Common Stock, Shares, Outstanding, Ending Balance				212,855,309		212,855,309		129,671,679
Other Intangible Assets [Member] | Minimum [Member]
Finite-Lived Intangible Asset, Useful Life						4 years
Other Intangible Assets [Member] | Maximum [Member]
Finite-Lived Intangible Asset, Useful Life						5 years
Convert Debt to Common Stock [Member]
Debt Conversion, Original Debt, Amount | $			$ 5,038,712
Debt Conversion, Converted Instrument, Shares Issued			5,038,712
Common Stock [Member]
Stock Issued During Period, Shares, Advance Payments Converted To Equity						7,266,499
Warrants to Purchase Common Stock [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights									21,937,793
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares									$ 0.3753
Merger Agreement with Iota Networks, LLC [Member]
Business Combination, Stock Exchange, Conversion Ratio	1.5096
Common Stock, Shares, Issued, Total	43,434,034			196,279,076		196,279,076
Business Acquisition, Number of Common Shares Acquired		90,925,518	90,925,518
Business Acquisition, Number of Profit Participation Units Acquired		14,559,737	14,559,737
Advance Payments Converted to Equity | $		$ 2,392,441	$ 2,392,441
Share-based Payment Arrangement, Noncash Expense, Total | $				$ 0		$ 4,000,000
Common Stock Held by Subsidiary | $				$ 43,434,034		$ 43,434,034
Post-Merger Ownership Percentage				22.10%		22.10%
Common Stock, Shares, Outstanding, Ending Balance				196,279,076		196,279,076
Merger Agreement with Iota Networks, LLC [Member] | Common Stock [Member]
Stock Issued During Period, Shares, Advance Payments Converted To Equity		7,266,499	7,266,499
Merger Agreement with Iota Networks, LLC [Member] | Warrant to Purchase Common Equity Units [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights		1,372,252	1,372,252
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares			$ 0.3753
Merger Agreement with Iota Networks, LLC [Member] | Warrants to Purchase Common Stock [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights		18,281,494	18,281,494
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares		$ 0.3753								$ 0.3753
Merger Agreement with Iota Networks, LLC [Member] | Common Stock Issued for Common Equity Units [Member]
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares		129,671,679	129,671,679
Share-based Payment Arrangement, Noncash Expense, Total | $						$ 6,000,000
Merger Agreement with Iota Networks, LLC [Member] | Profit Participation Units [Member]
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares		15,824,972
Merger Agreement with Iota Networks, LLC [Member] | Common Stock Issued for Profit Performance Units [Member]
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares			15,824,972