Stockholders’ Equity (Details 2)	9 Months Ended
	Oct. 31, 2018 $ / shares shares
Restricted stock, outstanding, beginning	69,573
Restricted stock, granted	69,835
Restricted stock, vested	5,221
Restricted stock, forfeited	0
Restricted stock, outstanding, ending	134,187
Weighted average grant date fair value, outstanding, beginning | $ / shares	$ 13.63
Weighted average grant date fair value, granted | $ / shares	13.81
Weighted average grant date fair value, vested | $ / shares	10.19
Weighted average grant date fair value, forfeited | $ / shares	0.00
Weighted average grant date fair value, outstanding, ending | $ / shares	$ 13.85
Restricted stock grants - employees
Restricted stock, outstanding, beginning	42,291
Restricted stock, granted	41,835
Restricted stock, vested	0
Restricted stock, forfeited	0
Restricted stock, outstanding, ending	84,126
Restricted stock grants - non-employee directors
Restricted stock, outstanding, beginning	14,493
Restricted stock, granted	14,336
Restricted stock, vested	0
Restricted stock, forfeited	0
Restricted stock, outstanding, ending	28,829
Retainer in stock - non-employee directors
Restricted stock, outstanding, beginning	12,789
Restricted stock, granted	13,664
Restricted stock, vested	5,221
Restricted stock, forfeited	0
Restricted stock, outstanding, ending	21,232