COMMITMENTS AND CONTINGENCIES (Details) (US Ecology and the thermal recycling operation owner-operator, USD $)	3 Months Ended
	Sep. 30, 2012	Jun. 30, 2012
US Ecology and the thermal recycling operation owner-operator
COMMITMENTS AND CONTINGENCIES
Proposed Civil penalties by EPA	$ 166,000
Amount counter-offered by the entity in response to the EPA's proposal to settle the matter	260,000
Amount recorded in selling, general and administrative expenses based on the entity's counter-offer	$ 36,000	$ 130,000