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Stockholders' Equity (Details 3)
3 Months Ended
Apr. 30, 2020
$ / shares
shares
Outstanding unvested grants at maximum, beginning 50,006
Outstanding unvested grants at maximum, granted 0
Outstanding unvested grants at maximum, vested 0
Outstanding unvested grants at maximum, forfeited 0
Outstanding unvested grants at maximum, ending 50,006
Outstanding weighted average grant date fair value, beginning | $ / shares $ 13.95
Outstanding weighted average grant date fair value, granted | $ / shares .00
Outstanding weighted average grant date fair value, vested | $ / shares .00
Outstanding weighted average grant date fair value, forfeited | $ / shares .00
Outstanding weighted average grant date fair value, ending | $ / shares $ 13.95
Restricted stock grants - employees  
Outstanding unvested grants at maximum, beginning 35,670
Outstanding unvested grants at maximum, granted 0
Outstanding unvested grants at maximum, vested 0
Outstanding unvested grants at maximum, forfeited 0
Outstanding unvested grants at maximum, ending 35,670
Restricted stock grants - non-employee directors  
Outstanding unvested grants at maximum, beginning 14,336
Outstanding unvested grants at maximum, granted 0
Outstanding unvested grants at maximum, vested 0
Outstanding unvested grants at maximum, forfeited 0
Outstanding unvested grants at maximum, ending 14,336