Income Taxes (Details Narrative) - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2020	Jul. 31, 2019
Income tax likelihood percentage description	Greater than 50 percent
Corporate tax rate percentage	21.00%	21.00%
Operating loss carryforwards expire, description	Net operating loss carry forwards generated in 2019 and later years never expire.
Reduce taxable income percentage description	Reduce taxable income by 80 percent.
Deferred tax assets, valuation allowance	$ 4,315	$ 4,280
Decrease in valuation allowance
Federal and State Tax Authority [Member]
Operating loss carryforwards	16,900
Foreign Tax Authority [Member]
Operating loss carryforwards	$ 100