Accumulated Other Comprehensive Loss - Accumulated Comprehensive Loss (Details) - USD ($)	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Accumulated other comprehensive income (loss), beginning balance	$ (2,057,985)	$ (1,633,999)
Change in net prior service credit and actuarial losses, net of tax	143,906	37,388
Translation adjustment	45,223	(461,374)
Accumulated other comprehensive income (loss), ending balance	(1,987,870)	(2,057,985)
ASU 2018-02
Adoption of ASU 2018-02	(119,014)
Foreign Currency Translation Adjustment
Accumulated other comprehensive income (loss), beginning balance	(1,518,822)	(1,057,448)
Translation adjustment	45,223	(461,374)
Accumulated other comprehensive income (loss), ending balance	(1,473,599)	(1,518,822)
Net Prior Service Credit and Actuarial Losses
Accumulated other comprehensive income (loss), beginning balance	(539,163)	(576,551)
Change in net prior service credit and actuarial losses, net of tax	143,906	37,388
Accumulated other comprehensive income (loss), ending balance	(514,271)	$ (539,163)
Net Prior Service Credit and Actuarial Losses \| ASU 2018-02
Adoption of ASU 2018-02	$ (119,014)

Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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Amount, after tax and reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan.

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