Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($)	3 Months Ended	6 Months Ended
Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (101,036)	$ 20,263	$ (147,438)	$ 55,786
Defined benefit pension plans
Amortization of loss included in net periodic plan cost	16,851	12,102	33,702	24,204
Unrealized gains (losses) on securities available for sale:
Unrealized holding gains (losses) arising during the period	349,236	(115,923)	681,898	(514,505)
Other comprehensive income (loss), before tax	366,087	(103,821)	715,600	(490,301)
Income tax expense (benefit) related to items of other comprehensive income (loss)	76,880	(21,803)	150,279	(102,965)
Other comprehensive income (loss), net of tax	289,207	(82,018)	565,321	(387,336)
Comprehensive income (loss)	$ 188,171	$ (61,755)	$ 417,883	$ (331,550)

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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