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Retirement Plan (Details) - USD ($)
1 Months Ended 3 Months Ended
Jun. 30, 1997
Feb. 28, 2019
Feb. 28, 2018
Nov. 30, 2018
Retirement Plan (Textual)        
Description for retirement plan Company adopted a qualified 401(k) retirement plan for all full-time employees who are twenty-one years of age and have completed twelve months of service.      
Total employee contributions 15.00%      
Employer matching contribution percentage 20.00%      
Employee deferral percentage 5.00%      
Net assets for plan       $ 1,201,000
Pension expense   $ 1,100 $ 1,084