SEGMENT INFORMATION (Details 2) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Revenue, Major Customer [Line Items]
Revenues	$ 33,549	$ 27,922
Customer A | Revenue
Revenue, Major Customer [Line Items]
Revenues	$ 4,521	$ 1,696
Percentage of combined revenue	13.50%	6.00%
Customer A | Accounts receivables and unbilled accounts receivable
Revenue, Major Customer [Line Items]
Accounts receivables and unbilled accounts receivable	$ 2,319	$ 1,590
Percentage of combined revenue	8.30%	6.00%
Customer B | Revenue
Revenue, Major Customer [Line Items]
Revenues	$ 1,708	$ 1,370
Percentage of combined revenue	5.10%	5.00%
Customer B | Accounts receivables and unbilled accounts receivable
Revenue, Major Customer [Line Items]
Accounts receivables and unbilled accounts receivable	$ 530	$ 1,102
Percentage of combined revenue	1.90%	4.00%