Acquisitions and Disposals - Schedule of Fair Value of Assets Acquired and Liabilities Assumed (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2016 USD ($)
Total Consideration	$ 17,368
Cash and cash equivalents	61
Short-term receivables	64
Prepaid and other current assets	217
Restricted cash	85
Property, plant, equipment and uranium interests	17,992
Total assets	18,419
Accounts payable and other accrued liabilities	1,051
Total liabilities	1,051
Net assets	17,368
Cash [Member]
Total Consideration	1,497
Common Shares for Replacement of Anatolia Energy [Member]
Total Consideration	14,563
Listed Options for Replacement of Anatolia Energy listed Options [Member]
Total Consideration	424
Options for Replacement of Anatolia Energy Options [Member]
Total Consideration	884
Performance Shares to Replace Anatolia Energy [Member]
Total Consideration