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Summary of significant accounting policies (Tables)
 3 Months Ended
Mar. 31, 2013
Summary of significant accounting policies  
Summary of the entity's revenue by primary revenue source

 

 

 

Three Months Ended
March 31,

 

 

 

2013

 

2012

 

Revenue:

 

 

 

 

 

Retail subscription

 

$

8,067

 

$

7,846

 

Retail single-use

 

2,586

 

3,616

 

Wholesale

 

11,555

 

12,084

 

Advertising and other

 

926

 

641

 

Total revenue

 

$

23,134

 

$

24,187