Intangible Assets (Schedule of Other Intangible Assets) (Details) - USD ($)		6 Months Ended
		Jun. 30, 2015	Dec. 31, 2014
Other Intangible Assets
Gross Carrying Amount		$ 6,709,370	$ 6,706,133
Accumulated Amortization		3,264,330	2,797,734
Net Carrying Amount		3,445,040	3,908,399
Acquired intangibles - customer lists and non-compete agreements [Member]
Other Intangible Assets
Gross Carrying Amount		1,997,300	1,997,300
Accumulated Amortization		1,592,207	1,532,123
Net Carrying Amount		$ 405,093	465,177
Useful Life		5 years
Acquired intangibles - customer lists and non-compete agreements [Member] | Maximum [Member]
Other Intangible Assets
Useful Life		10 years
Acquired intangibles-patents and patent rights [Member]
Other Intangible Assets
Gross Carrying Amount	[1]	$ 3,650,000	3,650,000
Accumulated Amortization	[1]	1,207,435	852,343
Net Carrying Amount	[1]	$ 2,442,565	2,797,657
Useful Life		4 years 10 months 24 days
Patent application costs [Member]
Other Intangible Assets
Gross Carrying Amount	[2]	$ 1,062,070	1,058,833
Accumulated Amortization	[2]	464,688	413,268
Net Carrying Amount	[2]	$ 597,382	$ 645,565
Useful Life		9 years 6 months

[1] Acquired patents and patent rights are amortized over their expected useful life which is generally the remaining legal life of the patent. As of June 30, 2015, the weighted average remaining useful life of these assets in service was approximately 4.9 years.

[2] Patent application costs are amortized over their expected useful life which is generally the remaining legal life of the patent. As of June 30, 2015, the weighted average remaining useful life of these assets in service was approximately 9.5 years.