Commitments and Contingencies (Details Narrative) - USD ($)	3 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Commitments And Contingencies [Line Items]
Rent expense	$ 175,000	$ 161,000
Effective May 1, 2018 [Member]
Commitments And Contingencies [Line Items]
Lease expire	Apr. 30, 2021
Rent expense	$ 1,600
Macau Subsidiary [Member]
Commitments And Contingencies [Line Items]
Lease expire	Apr. 30, 2018