Annual report pursuant to Section 13 and 15(d)

Note 10 - The Company's Net Sales by Product and Service (Details)

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Note 10 - The Company's Net Sales by Product and Service (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Net sales from external customers:    
Product sales $ 118,843us-gaap_SalesRevenueGoodsGross $ 50,385us-gaap_SalesRevenueGoodsGross
Enrollment package revenue, freight and other 7,927us-gaap_ShippingAndHandlingRevenue 2,955us-gaap_ShippingAndHandlingRevenue
Less: sales returns (2,180)us-gaap_SalesReturnsGoods (813)us-gaap_SalesReturnsGoods
Total net sales $ 124,590us-gaap_SalesRevenueGoodsNet $ 52,527us-gaap_SalesRevenueGoodsNet