Interim Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Operating activities:
Net loss	$ (2,388)	$ (2,205)
Adjustments to reconcile net loss to net cash flows from operating activities:
Depreciation and amortization	18	17
Share-based compensation expense	410	343
Changes in assets and liabilities:
Prepaid expenses and other assets	97	(110)
Other payables and accrued liabilities	(131)	(391)
Net cash flows from operating activities	(1,994)	(2,346)
Investing activities:
Purchase of property and equipment	(5)	(68)
Investment in convertible loan		(200)
Proceeds from sales of investment	270
Proceeds from sales of marketable security		2,521
Net cash flows from investing activities	265	2,253
Financing activities:
Repayment of shareholders investment		(3,375)
Net cash flows from financing activities		(3,375)
Decrease in cash, cash equivalents and restricted cash	(1,729)	(3,468)
Cash, cash equivalents and restricted cash at beginning of period	19,734	33,129
Cash, cash equivalents and restricted cash at ending of period	18,005	29,661
Supplemental disclosure of cash flow information:
Interest paid from litigation		236
Cash received from interest	$ 2	$ 8