Annual report pursuant to Section 13 and 15(d)

Intangible Assets (Details Textual)

v3.19.1
Intangible Assets (Details Textual) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2019
Mar. 31, 2019
Mar. 31, 2018
Goodwill [Line Items]      
Intangible amortization   $ 3,435,000 $ 4,189,000
Minimum [Member]      
Goodwill [Line Items]      
Finite-Lived Intangible Asset, Useful Life   2 years  
Maximum [Member]      
Goodwill [Line Items]      
Finite-Lived Intangible Asset, Useful Life   10 years  
IBW [Member]      
Goodwill [Line Items]      
Impairment of Intangible Assets, Finite-lived $ 4,700,000   0
IBW [Member] | Customer-Related Intangible Assets [Member]      
Goodwill [Line Items]      
Intangible Assets, Net (Excluding Goodwill) $ 0 $ 0  
ISM [Member]      
Goodwill [Line Items]      
Impairment of Intangible Assets, Finite-lived   $ 0 0
CNS [Member]      
Goodwill [Line Items]      
Impairment of Intangible Assets, Finite-lived     $ 0