Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Current Assets:
Accounts receivable, allowance for doubtful accounts	$ 42	$ 42
Shareholders’ Equity:
Common shares, shares authorized	480,000,000	480,000,000
Common shares, shares issued	122,742,575	122,770,217
Common shares, shares outstanding	122,742,575	122,770,217