Supplementary Cash Flow Information - (Tables)

12 Months Ended

Dec. 31, 2016

Supplemental Cash Flow Elements [Abstract]

Schedule of Cash Flow, Supplemental Disclosures

Supplementary cash flow information for 2016, and 2015 is as follows (in thousands):

	Years Ended December 31,
	2016	2015
Cash paid for interest	694	1,075
Cash paid for income taxes	43	227
Non-cash operating and financing activities
Kanis S.A. notes payable plus accrued interest settled with common stock (Note 10)	7,900	—
Haldor Topsøe note payable settled with common stock (Note 10)	1,250	—
Director Note payable plus accrued interest settled with common stock (Note 10)	515	—
Issuance of common stock to placement agent in connection with equity offering (Note 11)	5	—
Issuance of warrants to placement agent in connection with equity offering (Note 11)	857	—
Accounts Payable settled with common stock	184	—