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Income Taxes - Deferred Tax Assets and Liabilities (Details) (USD $) | Dec. 31, 2013 | Dec. 31, 2012
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Income Tax Disclosure [Abstract] |  |
Plant, property and equipment | $ 450,705 | $ 413,160
Total | 450,705 | 413,160
Asset valuations | 508,686 | 543,002
Contribution carryforward | 110,700 | 157,297
Operating loss carryforwards and credits | 2,205,244 | 2,201,789
Pension | 178,908 | 448,579
Foreign tax credit | 43,575 | 43,575
Other | 885,185 | 591,066
Total | 3,932,298 | 3,985,308
Net deferred income tax asset before valuation allowance | 3,481,593 | 3,572,148
Valuation allowance | (2,205,244) | (2,201,789)
Net deferred income tax asset | $ 1,276,349 | $ 1,370,359

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