Goodwill and Intangible Assets, Amortization Expense (Details) - USD ($)	3 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Amortization expense for acquired intangible assets [Abstract]
Amortization expense	$ 192,000	$ 145,000
Estimated future amortization expense for intangible assets subject to amortization [Abstract]
2019 - remaining nine months	575,000
2020	708,000
2021	613,000
2022	580,000
2023	580,000
Thereafter	511,000
Total	$ 3,567,000