Income Taxes - Narrative (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Income Tax Disclosure [Abstract]
Deferred Tax Assets, Tax Credit Carryforwards, Research	$ 304,000
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	802,000	523,000
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	56,000	24,000
Operating Loss Carryforwards
Income Tax Reconciliation, Tax Credits, Research	(357,000)	(316,000)
Minimum
Operating Loss Carryforwards
Income Tax Reconciliation, Tax Credits, Research	288,000
Maximum
Operating Loss Carryforwards
Income Tax Reconciliation, Tax Credits, Research	316,000
Internal Revenue Service (IRS)
Operating Loss Carryforwards
Operating Loss Carryforwards	1,489,000
Foreign Tax Authority
Operating Loss Carryforwards
Operating Loss Carryforwards	$ 3,464,000