Convertible Loan (Details Narrative) - USD ($)									3 Months Ended	12 Months Ended
	Dec. 05, 2016	Dec. 05, 2016	Oct. 11, 2016	Jul. 10, 2016	Jun. 10, 2016	Mar. 31, 2016	Jan. 04, 2016	Apr. 29, 2014	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Nov. 13, 2013
Line of Credit Facility [Line Items]
Number of common stock shares issued for settlement of interest expense							38,086
Number of common stock issued for settlement of interest expense									$ 200,000
Interest expense										$ 100,000
Convertible debt									$ 6,154,000	5,431,000	$ 6,154,000
Loss on extinguishment debt										(3,322,000)
Amortization of debt discount										$ 1,839,000	$ 1,809,000
Amortization of discount period										3 months	3 months
Tranche 1 [Member]
Line of Credit Facility [Line Items]
Common stock issued for extinguishment of debt		2,487,562
Common stock issued for extinguishment of debt, value		$ 2,500,000
Tranche Two [Member]
Line of Credit Facility [Line Items]
Common stock issued for extinguishment of debt, value		5,500,000
RCF Loan [Member]
Line of Credit Facility [Line Items]
Proceeds from notes payable		2,500,000
Debt conversation amount		5,500,000
Common stock issued for extinguishment of debt	2,487,562									38,086
Common stock issued for extinguishment of debt, value	$ 2,500,000									$ 200,000
Loss on extinguishment debt	$ 3,300,000	$ 3,300,000
RCF Loan [Member] | Board of Directors [Member]
Line of Credit Facility [Line Items]
Convertible debt										5,500,000
Resource Capital Fund V LP [Member]
Line of Credit Facility [Line Items]
Interest paid			$ 200,000	$ 200,000	$ 300,000	$ 200,000				100,000
Amortization of debt discount										$ 1,800,000
Loan Agreement [Member] | Resource Capital Fund V LP [Member]
Line of Credit Facility [Line Items]
Debt maturity date										Dec. 31, 2016
Debt interest rate										10.00%
Resource Capital Fund V LP [Member] | Secured Convertible Loan Facility [Member] | Maximum [Member]
Line of Credit Facility [Line Items]
Maximum borrowing capacity												$ 15,000,000
Resource Capital Fund V LP [Member] | Secured Convertible Loan Facility [Member] | Maximum [Member] | Loan Agreement [Member]
Line of Credit Facility [Line Items]
Line of credit fee available								$ 15,000,000
Resource Capital Fund V LP [Member] | Secured Convertible Loan Facility [Member] | Minimum [Member] | Loan Agreement [Member]
Line of Credit Facility [Line Items]
Line of credit fee available								$ 8,000,000
RCF Management L.L.C [Member]
Line of Credit Facility [Line Items]
Debt interest rate	15.00%	15.00%
Proceeds from notes payable		$ 5,500,000
Debt instruments maturity date description		extend the maturity date from December 31, 2016 to March 31, 2017