Stockholders' Equity (Details) - USD ($)	9 Months Ended	12 Months Ended
	Oct. 31, 2019	Jan. 31, 2019
Number of shares awarded total	24,900
Minimum
Number of shares awarded total		50,277
Value at grant date		$ 697,600
Target
Number of shares awarded total		75,418
Value at grant date		$ 1,046,400
Maximum
Number of shares awarded total		100,557
Value at grant date		$ 1,395,200
Cap
Number of shares awarded total		120,720
Value at grant date		$ 1,674,900
Employees | Minimum
Number of shares awarded total		35,863
Value at grant date		$ 497,600
Employees | Target
Number of shares awarded total		53,796
Value at grant date		$ 746,400
Employees | Maximum
Number of shares awarded total		71,728
Value at grant date		$ 995,200
Employees | Cap
Number of shares awarded total		86,125
Value at grant date		$ 1,194,900
Non Employee Directors | Minimum
Number of shares awarded total		14,414
Value at grant date		$ 200,000
Non Employee Directors | Target
Number of shares awarded total		21,622
Value at grant date		$ 300,000
Non Employee Directors | Maximum
Number of shares awarded total		28,829
Value at grant date		$ 400,000
Non Employee Directors | Cap
Number of shares awarded total		34,595
Value at grant date		$ 480,000