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 loss	$ (627,156)	$ (798,363)	$ (482,600)	$ (1,019,486)
Other comprehensive (loss) income:
Interest rate swaps, before taxes	(61,333)	21,655	(97,425)	80,280
Income tax applicable to interest rate swaps	15,333	(5,414)	24,356	(20,180)
Other comprehensive (loss) income, net of taxes	(46,000)	16,241	(73,069)	60,100
Total comprehensive loss	$ (673,156)	$ (782,122)	$ (555,669)	$ (959,386)