Annual report pursuant to Section 13 and 15(d)

Segment Information - The Company's Net Sales by Product and Service (Details)

v3.3.1.900
Segment Information - The Company's Net Sales by Product and Service (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Net sales by product and service:    
Product sales $ 253,041 $ 118,843
Enrollment package revenue, freight and other 17,623 7,927
Less: sales returns (5,804) (2,180)
Total net sales $ 264,860 $ 124,590