Earnings Per Share (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Notes to Financial Statements
Earnings (loss) per share - diluted	$ 0.03	$ (0.17)	$ (0.38)	$ (0.57)
Earnings (loss) per share - basic	$ 0.03	$ (0.17)	$ (0.38)	$ (0.57)
Net income (loss)	$ 168,297	$ (890,735)	$ (2,038,955)	$ (3,037,987)
Weighted average shares outstanding - diluted	5,307,133	5,307,133	5,307,133	5,307,133
Weighted average shares outstanding - basic	5,307,133	5,307,133	5,307,133	5,307,133