CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	6 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Document Fiscal Year Focus	2018
Operating activities:
Net (loss) income	$ (2,920,221)	$ 224,323
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
(Recovery of) provision for doubtful accounts	(4,341)	(1,811)
Loss on disposal of equipment and leasehold improvements	(343)	0
Depreciation of equipment and leasehold improvements	263,550	254,820
Stock-based compensation expense	165,832	177,045
Deferred income taxes	3,042,257	76,053
Change in cash surrender value of life insurance	(172,214)	(180,542)
Change in deferred compensation accrual	91,812	77,554
Deferred compensation paid	75,000	75,000
Net changes in operating assets and liabilities (see note 10)	(3,516)	(12,776)
Cash provided by operating activities	388,502	539,666
Investing activities:
Purchase of equipment and leasehold improvements	(230,121)	(335,381)
Life insurance premiums paid	(130,897)	(131,769)
Cash (used in) investing activities	(361,018)	(467,150)
Financing activities:
Net increase in cash and cash equivalents	27,484	72,516
Cash and cash equivalents at beginning of period	432,283	735,393
Cash and cash equivalents at end of period	$ 459,767	$ 807,909