Quarterly report pursuant to Section 13 or 15(d)

Subsequent events Subsequent events (Details)

v3.2.0.727
Subsequent events Subsequent events (Details) - USD ($)
$ / shares in Units, $ in Thousands
6 Months Ended
Jul. 09, 2015
Jul. 07, 2015
Jul. 01, 2015
Jul. 07, 2015
Jun. 30, 2015
Subsequent Event [Line Items]          
Proceeds from insurance settlement         $ 400
Subsequent Event          
Subsequent Event [Line Items]          
Proceeds from insurance settlement   $ 121 $ 700 $ 375  
Insurance claim for property damage   500      
Insurance settlements receivable   $ 125   $ 125  
Katsuya and Cleo Restaurant Brands | Subsequent Event          
Subsequent Event [Line Items]          
Cash consideration for acquisition $ 75,000        
Warrants | Katsuya and Cleo Restaurant Brands | Subsequent Event          
Subsequent Event [Line Items]          
Warrants issued for consideration for acquisition 200,000        
Exercise price for acquisition $ 5.00