Earnings Per Share (Details) - USD ($)	3 Months Ended				6 Months Ended
	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2018	Mar. 31, 2018	Jun. 30, 2019	Jun. 30, 2018
Notes to Financial Statements
Income (loss) per share - diluted	$ (0.05)		$ 0.03		$ (0.18)	$ (0.38)
Income (loss) per share - basic	$ (.05)		$ .03		$ (.18)	$ (.38)
Net income (loss)	$ (276,677)	$ (671,074)	$ 168,297	$ (2,207,251)	$ (947,751)	$ (2,038,955)
Weighted average shares outstanding - diluted	5,306,938		5,307,133		5,307,021	5,307,133
Weighted average shares outstanding - basic	5,306,938		5,307,133		5,307,021	5,307,133