DISCONTINUED OPERATIONS (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Mar. 31, 2016	Mar. 31, 2015	Sep. 30, 2017	Sep. 30, 2016	Mar. 31, 2017
Discontinued operations [Abstract]
Revenues	$ 167	$ 165			$ 321	$ 346
Cost of revenues	167	165			321	346
Gross profit	0	0			0	0
Operating expenses	0	87			0	87
Loss before income tax benefit	0	(87)			0	(87)
Income tax benefit	0	(32)			0	(32)
Net loss of discontinued operations	0	$ (55)			0	$ (55)
Current and non-current assets and liabilities of discontinued operations [Abstract]
Receivables, net	19				19		$ 66
Total current assets of discontinued operations	19				19		66
Other current liabilities	29				29		85
Total current liabilities of discontinued operations	$ 29				$ 29		$ 85
Antech Diagnostics Inc. [Member]
Summary of gain on sale of discontinued operation [Abstract]
Purchase price				$ 21,000
Cash consideration received				20,100
Gain on sale of discontinued operations, net of tax			$ 600	$ 7,700