Non-Standardized Profit Sharing Plan (Details) - USD ($) $ in Thousands	1 Months Ended		9 Months Ended
	Jan. 31, 2018	Dec. 31, 2017	Apr. 30, 2018	Apr. 30, 2017
Non Standarized Profit Sharing Plan [Line Items]
Non-Standardized profit sharing plan description			Under the plan our employees qualify to participate in the plan after one year of employment. Contributions under the plan are based on 25% of the annual base salary of each eligible employee up to $54,000 per year. Contributions under the plan are fully vested upon funding.
Consulting Services [Member]
Non Standarized Profit Sharing Plan [Line Items]
Common shares issued		100,000
Various Employees One [Member]
Non Standarized Profit Sharing Plan [Line Items]
Common shares issued		644,731
Recognized stock-based compensation expense		$ 226
Equity Purchase Agreement [Member]
Non Standarized Profit Sharing Plan [Line Items]
Common shares issued	250,000
Management for Services [Member]
Non Standarized Profit Sharing Plan [Line Items]
Common shares issued			515,493
Recognized stock-based compensation expense			$ 155
Various Employees [Member]
Non Standarized Profit Sharing Plan [Line Items]
Common shares issued			644,731	1,003,966
Recognized stock-based compensation expense			$ 226	$ 241