Shareholders` Equity (Details) - USD ($)			1 Months Ended		3 Months Ended	9 Months Ended
	Feb. 26, 2020	Feb. 21, 2020	Dec. 31, 2019	Nov. 30, 2019	Feb. 29, 2020	Feb. 29, 2020	Feb. 28, 2019	May 31, 2019
Shareholders` Equity (Details) [Line Items]
Proceeds from Issuance of Common Stock						$ 366,258	$ 1,011,636
Common Stock, Share Subscribed but Unissued, Subscriptions Receivable					$ 1,156,311	1,156,311
Stock Issued During Period, Shares, New Issues (in Shares)			900,000
Stock Issued During Period, Value, New Issues						366,258
Related Party Deposit Liabilities					200,000	200,000
At Market Issuance Sales Agreement [Member]
Shareholders` Equity (Details) [Line Items]
Proceeds from Issuance of Common Stock					58,572	366,258
Common Stock, Share Subscribed but Unissued, Subscriptions Receivable				$ 15,583	1,156,311	1,156,311
Common Stock, Value, Subscriptions					$ 1,156,311	$ 1,156,311
At Market Issuance Sales Agreement [Member] | Chief Executive Officer [Member]
Shareholders` Equity (Details) [Line Items]
Related Party Deposit Liabilities				$ 200,000
5% Convertible Preferred Stock [Member] | Series A Preferred Stock [Member]
Shareholders` Equity (Details) [Line Items]
Conversion of Stock, Description						The Company may require the conversion of all of the outstanding Series A 5% Convertible Preferred shares if the closing sale price of the Company’s common stock equals or exceeds $9.00 for a period of five consecutive trading days with a minimum average trading volume of 35,000 shares per day over such period; provided, that, on such date, the Conversion Shares are registered for resale
Preferred Stock, Dividend Rate, Per-Dollar-Amount (in Dollars per share)						$ 0.175
5% Convertible Preferred Stock [Member] | Series A Preferred Stock [Member] | Stock Purchase Agreement [Member] | Palm [Member]
Shareholders` Equity (Details) [Line Items]
Stock Issued During Period, Shares, New Issues (in Shares)	571,429	571,429
Stock Issued During Period, Value, New Issues	$ 2,000,000	$ 2,000,000
Shares Issued, Price Per Share (in Dollars per share)	$ 3.50	$ 3.50
Payments of Stock Issuance Costs	$ 82,000	$ 82,000
5% Convertible Preferred Stock [Member] | Series A Preferred Stock [Member] | At Market Issuance Sales Agreement [Member]
Shareholders` Equity (Details) [Line Items]
Stock Purchased During Period, Shares (in Shares)				70,175		78,431
Stock Purchase Price, Per Share (in Dollars per share)						$ 2.85
Stock Purchased During Period, Value				$ 200,000
Stock Purchased During Period, Additional Shares (in Shares)				8,256
Common Stock [Member] | Registration Rights Agreement [Member]
Shareholders` Equity (Details) [Line Items]
Share Price (in Dollars per share)	$ 0.08