Geographical Information - Long-lived Assets By Geographic Region (Details) - USD ($)	Jun. 30, 2019	Mar. 31, 2019
Revenues from External Customers and Long-Lived Assets [Line Items]
Non-current Assets	$ 22,734,633	$ 29,982,409
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Non-current Assets	4,865,948	4,946,997
Foreign
Revenues from External Customers and Long-Lived Assets [Line Items]
Non-current Assets	17,868,685	25,035,412
Australia
Revenues from External Customers and Long-Lived Assets [Line Items]
Non-current Assets	3,594	5,186
Mexico
Revenues from External Customers and Long-Lived Assets [Line Items]
Non-current Assets	2,262,967	2,680,825
Netherlands
Revenues from External Customers and Long-Lived Assets [Line Items]
Non-current Assets	5,350,275	5,541,072
China
Revenues from External Customers and Long-Lived Assets [Line Items]
Non-current Assets	$ 10,251,849	$ 16,808,329