Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Statement of Financial Position [Abstract]
Allowance on accounts receivable	$ 161	$ 212
Preferred shares, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred shares, authorized shares (in shares)	100,000	100,000
Preferred shares, issued shares (in shares)	0	0
Common shares, par value (in dollars per share)	$ 0.001	$ 0.001
Common shares, authorized shares (in shares)	100,000,000	100,000,000
Common shares, issued shares (in shares)	56,542,116	56,542,116
Common shares, outstanding shares (in shares)	56,542,116	56,542,116