Commitments and Contingencies (Detail Textuals) (Letter of credit, USD $) In Millions, unless otherwise specified	0 Months Ended	9 Months Ended
	Mar. 01, 2013	Sep. 30, 2014
Letter of credit
Commitments And Contingencies [Line Items]
Maximum liability under standby letter of credit		$ 1.2
Drawn by landlord from letter of credit		0.38
Common shares committed to be issued	$ 1.5