Non-Standardized Profit-Sharing Plan (Details)	3 Months Ended
	Oct. 31, 2018
Non-Standardized Profit-Sharing Plan (Textual)
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.