Goodwill and Other Intangible Assets (Details) - USD ($)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	$ 19,313,000		$ 19,313,000		$ 19,313,000
Accumulated amortization	11,010,000		$ 11,010,000		$ 9,830,000
Remaining useful life			3 years 8 months 23 days		4 years 2 months 23 days
Net book value of amortizable intangible assets	8,303,000		$ 8,303,000		$ 9,483,000
Amortization of intangible assets	588,646	$ 590,858	1,179,199	$ 1,181,716
Estimated amortization expense for all intangible assets [Abstract]
July 1, 2017 through December 31, 2017	1,174,000		1,174,000
2018	2,347,000		2,347,000
2019	2,341,000		2,341,000
2020	1,254,000		1,254,000
2021	894,000		894,000
Thereafter	293,000		293,000
Developed Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	6,200,000		6,200,000		6,200,000
Accumulated amortization	1,993,000		$ 1,993,000		$ 1,550,000
Remaining useful life			4 years 9 months		5 years 3 months
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	5,653,000		$ 5,653,000		$ 5,653,000
Accumulated amortization	5,628,000		$ 5,628,000		$ 5,616,000
Remaining useful life			7 years 9 months		8 years 3 months
Trademarks and Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	190,000		$ 190,000		$ 190,000
Accumulated amortization	79,000		$ 79,000		$ 74,000
Remaining useful life			7 years 9 months		8 years 3 months
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	7,270,000		$ 7,270,000		$ 7,270,000
Accumulated amortization	$ 3,310,000		$ 3,310,000		$ 2,590,000
Remaining useful life			2 years 9 months		3 years 3 months