CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (Unaudited) - USD ($)	Total	Common Stock	Paid in Capital	Retained Earnings	Accumulated Other Comprehensive Income
Beginning Balances at Dec. 31, 2017	$ 38,500,984	$ 76,195	$ 33,881,863	$ 3,746,323	$ 796,603
Beginning Balance, shares at Dec. 31, 2017		7,619,469
Adjustment from financial instruments update ASU 2016-01				796,603	(796,603)
Restricted stock grants issued		$ 731	(731)
Restricted stock grants issued, Shares		73,155
Stock-based compensation	884		884
Net income	59,126			59,126
Dividends	(495,266)			(495,266)
Ending Balance at Mar. 31, 2018	38,065,728	$ 76,926	33,882,016	4,106,786
Ending Balance, shares at Mar. 31, 2018		7,692,624
Beginning Balances at Dec. 31, 2017	38,500,984	$ 76,195	33,881,863	3,746,323	$ 796,603
Beginning Balance, shares at Dec. 31, 2017		7,619,469
Net income	543,969
Ending Balance at Sep. 30, 2018	37,603,687	$ 76,926	33,935,173	3,591,588
Ending Balance, shares at Sep. 30, 2018		7,692,624
Beginning Balances at Mar. 31, 2018	38,065,728	$ 76,926	33,882,016	4,106,786
Beginning Balance, shares at Mar. 31, 2018		7,692,624
Restricted stock grant forfeitures	26,428		26,428
Net income	395,475			395,475
Dividends	(500,020)			(500,020)
Ending Balance at Jun. 30, 2018	37,987,611	$ 76,926	33,908,444	4,002,241
Ending Balance, shares at Jun. 30, 2018		7,692,624
Stock-based compensation	26,729		26,729
Net income	89,368			89,368
Dividends	(500,021)			(500,021)
Ending Balance at Sep. 30, 2018	37,603,687	$ 76,926	33,935,173	3,591,588
Ending Balance, shares at Sep. 30, 2018		7,692,624
Beginning Balances at Dec. 31, 2018	$ 37,205,876	$ 76,926	33,961,903	3,167,047
Beginning Balance, shares at Dec. 31, 2018	7,692,624	7,692,624
Restricted stock grants issued		$ 414	(414)
Restricted stock grants issued, Shares		41,343
Stock-based compensation	$ 54,160		54,160
Net income	187,823			187,823
Dividends	(503,294)			(503,294)
Ending Balance at Mar. 31, 2019	36,944,565	$ 77,340	34,015,649	2,851,576
Ending Balance, shares at Mar. 31, 2019		7,733,967
Beginning Balances at Dec. 31, 2018	$ 37,205,876	$ 76,926	33,961,903	3,167,047
Beginning Balance, shares at Dec. 31, 2018	7,692,624	7,692,624
Net income	$ 573,901
Ending Balance at Sep. 30, 2019	$ 36,407,011	$ 77,290	34,096,859	2,232,862
Ending Balance, shares at Sep. 30, 2019	7,729,006	7,729,006
Beginning Balances at Mar. 31, 2019	$ 36,944,565	$ 77,340	34,015,649	2,851,576
Beginning Balance, shares at Mar. 31, 2019		7,733,967
Restricted stock grant forfeitures		$ (47)	47
Restricted stock grant forfeitures, Shares		4,637
Stock-based compensation	51,730		51,730
Net income	136,845			136,845
Dividends	(502,407)			(502,407)
Ending Balance at Jun. 30, 2019	36,630,733	$ 77,293	34,067,426	2,486,014
Ending Balance, shares at Jun. 30, 2019		7,729,330
Restricted stock grant forfeitures		$ (3)	3
Restricted stock grant forfeitures, Shares		(324)
Stock-based compensation	29,430		29,430
Net income	249,233			249,233
Dividends	(502,385)			(502,385)
Ending Balance at Sep. 30, 2019	$ 36,407,011	$ 77,290	$ 34,096,859	$ 2,232,862
Ending Balance, shares at Sep. 30, 2019	7,729,006	7,729,006