Discontinued Operations (Details) - USD ($)	3 Months Ended	9 Months Ended
Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Revenue		$ 607,029		$ 2,238,702
Operating expenses		(216,174)		(845,421)
Interest expense		(15)		(32)
Income from discontinued operations before income taxes		390,840		1,393,249
Provision for income taxes		(97,711)		(348,313)
Income from discontinued operations		$ 293,129		$ 1,044,936

Amount before tax of an increase (decrease) to a gain (loss) previously reported in discontinued operations in a prior period.

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Amount of interest expense attributable to disposal group, including, but not limited to, discontinued operation.

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