Leases (Details Textual) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2015	Dec. 31, 2014	Oct. 16, 2015
Leases [Line Items]
Letters of credit outstanding	$ 0.9	$ 0.9
Monthly rental payments		$ 0.1
Certain facilities and equipment lease by the company for production, selling and administrative purposes		8 years
Operating rent expense		$ 2.1	$ 2.1
Sublease income for existing operating leases in 2014			0.1
Build to Suit Capital Lease
Leases [Line Items]
Minimum monthly rent that expires on		Oct. 31, 2016
Letters of credit outstanding	1.0	$ 1.0	1.0
Depreciation expense for each year presented cost of building		$ 0.5	0.7
Gross value of assets leased			2.8
Accumulated amortization			$ 1.7
Termination fees paid				$ 0.2
Estimated gain related to early lease termination	$ 0.4