Quarterly report pursuant to Section 13 or 15(d)

Note 5 - Fair Value Measurement (Details Textual)

v3.19.1
Note 5 - Fair Value Measurement (Details Textual) - Camfaud [Member] - Earnout Payments [Member] - USD ($)
$ in Millions
Jan. 31, 2019
Oct. 31, 2018
Nov. 30, 2016
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High     $ 3.1
Business Combination, Contingent Consideration, Liability, Total $ 1.5 $ 1.5