Stockholders' Equity (Details 2) $ / shares in Units, $ in Thousands	3 Months Ended
	Apr. 30, 2020 USD ($) $ / shares shares
Number of restricted stock units outstanding, beginning | shares	119,164
Number of restricted stock units awarded	$ 75,917
Number of restricted stock units vested	0
Number of restricted stock units forfeited	$ 0
Number of restricted stock units outstanding, ending | shares	195,081
Weighted average grant date fair value, beginning | $ / shares	$ 10.33
Weighted average grant date fair value awarded | $ / shares	14.95
Weighted average grant date fair value vested | $ / shares	.00
Weighted average grant date fair value forfeited | $ / shares	.00
Weighted average grant date fair value, ending | $ / shares	$ 12.13
Performance Based
Number of restricted stock units outstanding, beginning | shares	109,234
Number of restricted stock units awarded	$ 69,591
Number of restricted stock units vested	0
Number of restricted stock units forfeited	$ 0
Number of restricted stock units outstanding, ending | shares	178,825
Service Based
Number of restricted stock units outstanding, beginning | shares	9,930
Number of restricted stock units awarded	$ 6,326
Number of restricted stock units vested	0
Number of restricted stock units forfeited	$ 0
Number of restricted stock units outstanding, ending | shares	16,256