Annual report pursuant to Section 13 and 15(d)

Organization and summary of significant accounting policies (Property and equipment) (Details)

v3.7.0.1
Organization and summary of significant accounting policies (Property and equipment) (Details)
12 Months Ended
Dec. 31, 2016
Building [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful life 25 years
Land Improvements [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful life 10 years
Equipment [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful life 5 years
Computer related assets [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful life 3 years