ACQUISITIONS - Narrative (Details) - USD ($) $ in Thousands				3 Months Ended		21 Months Ended
	May 03, 2017	Oct. 30, 2015	Jun. 30, 2014	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2016	Apr. 01, 2016
Business Acquisition [Line Items]
Release of remaining contingent liability				$ (270)	$ (287)
Mediscan [Member]
Business Acquisition [Line Items]
Cash purchase price paid at closing		$ 29,900
Cash consideration plus working capital estimate		28,000
Fair value of shares		$ 4,700
Fair value of shares (in shares)		349,871
Contingent consideration, range of outcomes, high		$ 7,000
Contingent consideration liabilities				4,400
Medical Staffing Network [Member]
Business Acquisition [Line Items]
Contingent consideration liabilities			$ 2,500				$ 2,100
Period of deferred consideration			21 months
Release of remaining contingent liability						$ 400
Potential Earnout, Attainment of Specific Performance Criteria in 2016 [Member] | Mediscan [Member]
Business Acquisition [Line Items]
Contingent consideration, range of outcomes, high		3,500
Potential Earnout, Attainment of Specific Performance Criteria in 2017 [Member] | Mediscan [Member]
Business Acquisition [Line Items]
Contingent consideration, range of outcomes, high		$ 3,500
Potential Earnout [Member] | Mediscan [Member]
Business Acquisition [Line Items]
Contingent consideration liabilities				800
Assumed Additional Contingent Purchase Price Liabilities [Member] | Mediscan [Member]
Business Acquisition [Line Items]
Contingent consideration, range of outcomes, high				300
Contingent consideration liabilities				3,600
Contingent liability paid				$ 100
Subsequent Event [Member] | Mediscan [Member]
Business Acquisition [Line Items]
Release of escrow to seller	$ 5,000