Annual report pursuant to Section 13 and 15(d)

Subsequent events (Details Textual)

v2.4.0.8
Subsequent events (Details Textual)
Jul. 31, 2002
Dec. 31, 2013
2014 Incentive Plan [Member]
Subsequent Event [Member]
Subsequent Event [Line Items]    
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized 7,400,000 2,500,000