Income Taxes - Reconciliation of statutory to effective rates (Details) - USD ($)		12 Months Ended
	Jan. 01, 2018	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Reconciliation of statutory to effective rates
Federal income taxes at statutory rate		$ (95,425)	$ (260,849)
Adjustments for True up of payable(s)		(78,506)	(259,421)
Adjustments for Refundable AMT tax credit		0	(61,178)
Adjustments for State income taxes, net of valuation allowance		(12,578)	(104,823)
Adjustments for Federal valuation allowance		114,767	245,698
Other - Net		16,678	15,151
Total income tax expense (benefit)		$ (55,064)	$ (425,422)
Reconciliation of statutory to effective rates
Federal income taxes at statutory rate (as a Percent)	21.00%	21.00%	25.38%	35.00%
Adjustments for True up of payable(s) (as a Percent)		17.28%	25.24%
Adjustments for Refundable AMT tax credit (as a Percent)		0.00%	5.95%
Adjustments for State income taxes, net of valuation allowance (as a Percent)		2.77%	10.20%
Adjustments for Federal valuation allowance (as a Percent)		(25.26%)	(23.91%)
Effective Income Tax Rate Reconciliation,Other Reconciling Items, Percent		(3.67%)	(1.47%)
Effective income taxes - operations (as a Percent)		12.12%	41.39%