Schedule of Contractually Obligated Cash Flow Requirements (Details) - USD ($) $ in Thousands	May 31, 2017	Feb. 21, 2017
Total	$ 2,482	$ 1,300
Within 1 Year	1,277
1 - 2 Years	164
2 - 5 Years	534
Thereafter	507
Accounts Payable and Accrued Liabilities [Member]
Total	1,200
Within 1 Year	1,200
1 - 2 Years	0
2 - 5 Years	0
Thereafter	0
Office Lease [Member]
Total	1,282
Within 1 Year	77
1 - 2 Years	164
2 - 5 Years	534
Thereafter	$ 507