Selected Quarterly Financial Data (Unaudited) - Customer and Supplier Concentration - Concentration Risk for the Company's Gross and Net Sales (Details) - Customer Concentration Risk [Member]	3 Months Ended									6 Months Ended			9 Months Ended			12 Months Ended
	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Concentration Risk [Line Items]
Customer concentration																77.80%
Gross Sales [Member]
Concentration Risk [Line Items]
Customer concentration	76.00%			79.00%									78.00%	73.00%			76.90%	58.40%
Sales Revenue, Net [Member]
Concentration Risk [Line Items]
Customer concentration	66.00%			43.00%									69.00%	46.00%		70.00%	61.90%	40.90%
Accounts Receivable [Member]
Concentration Risk [Line Items]
Customer concentration													78.00%			82.80%	85.00%	63.30%
Big 3 Wholesalers [Member] | Gross Sales [Member]
Concentration Risk [Line Items]
Customer concentration		82.00%	76.00%	79.00%	69.00%	62.00%	61.00%	57.00%	59.00%	79.00%	67.00%	58.00%		73.00%	59.00%
Big 3 Wholesalers [Member] | Sales Revenue, Net [Member]
Concentration Risk [Line Items]
Customer concentration		74.00%	67.00%	43.00%	49.00%	45.00%	41.00%	38.00%	42.00%	70.00%	47.00%	40.00%		46.00%	41.00%
Big 3 Wholesalers [Member] | Accounts Receivable [Member]
Concentration Risk [Line Items]
Customer concentration		77.00%	84.00%	81.00%	73.00%	69.00%	63.00%	63.00%									85.00%	63.00%