SALE OF URANIUM ASSETS (Details) $ in Thousands	Sep. 30, 2019 USD ($)	Aug. 30, 2019 USD ($)	Mar. 05, 2019 USD ($) item
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Royalty interests sold | item			4
Exchange for final payment		$ 1,250
Disposal Group, Held-for-sale, Not Discontinued Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Deposit for sale of assets			$ 500
Total cash consideration of disposal			2,750
Cash proceed	$ 1,000
Borrowings			$ 2,000