XML 72 R56.htm IDEA: XBRL DOCUMENT v3.19.1
Acquisition of Assets (Details) - USD ($)
$ in Thousands
1 Months Ended 12 Months Ended
Feb. 28, 2018
Jan. 31, 2019
Jan. 31, 2018
Jan. 31, 2017
Purchase Price:        
Cash   $ 3,000 $ 0 $ 0
Preferred Stock        
Allocation of purchase price:        
Stock issued during period (in shares) 174,046      
Preferred stock dividend rate 9.00%      
Value of shares issued $ 4,000      
Hydroscience        
Purchase Price:        
Cash 3,000      
Release of claims against Hydroscience 1,144      
Transaction costs 312      
Total purchase price 4,456      
Allocation of purchase price:        
Inventory 206      
Tangible assets (mainly manufacturing equipment) 350      
Intangible assets (including patents, designs & software) 3,900      
Total purchase price $ 4,456