Income Taxes (Details Textual) - USD ($) $ in Thousands		9 Months Ended	12 Months Ended
	Jan. 01, 2018	Dec. 31, 2017	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2016
Operating Loss Carryforwards [Line Items]
Tax Cuts And Jobs Act Of 2017, Income Tax Expense (Benefit)	$ (3,300)
Valuation allowance			$ 54,300	$ 80,013
Undistributed earnings of foreign subsidiaries			1,700	1,300
Income Tax Expense (Benefit)			(3,251)	236	$ 6
Unrecognized tax benefits that would impact effective tax rate			700
Interest and penalty expense (benefit), (less than $.1 million for year ended March 31, 2012)			100	100	$ 100
Interest and penalties accrued			800	$ 800
Effective Income Tax Rate Reconciliation, Tax Settlement, State and Local, Amount		$ 400
Federal and State Deferred Tax Assets [Member]
Operating Loss Carryforwards [Line Items]
Valuation allowance			53,700
Deferred Tax Assets in Hong Kong [Member]
Operating Loss Carryforwards [Line Items]
Valuation allowance			600
INDIA
Operating Loss Carryforwards [Line Items]
Deferred Tax Assets, Tax Credit Carryforwards, Alternative Minimum Tax			100
Federal [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards			198,700
Operating loss carryforwards, excess income tax benefit related to share-based compensation			4,400
Foreign Tax Authority [Member] | Hong Kong [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards			0
Foreign Tax Authority [Member] | MALAYSIA
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards			0
Foreign Tax Authority [Member] | SINGAPORE
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards			0
Foreign Tax Authority [Member] | PHILIPPINES
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards			100
State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards			134,700
Minimum [Member]
Operating Loss Carryforwards [Line Items]
Significant change in unrecognized tax benefits reasonably possible, upper end			0
Maximum [Member]
Operating Loss Carryforwards [Line Items]
Significant change in unrecognized tax benefits reasonably possible, upper end			$ 300