CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Net (loss) income	$ (963,636)	$ 1,389,000
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
(Recovery of) provision for doubtful accounts	(1,872)	28,514
Loss on disposal of equipment and leasehold improvements	6,230	40,710
Depreciation of equipment and leasehold improvements	503,585	487,134
Stock-based compensation expense	349,754	444,175
Deferred income taxes	170,299	702,013
Change in cash surrender value of life insurance	223,896	177,740
Change in deferred compensation accrual	256,704	230,228
Deferred compensation paid	(150,000)	(150,000)
Net changes in operating assets and liabilities (see note 14)	287,084	(2,679,409)
Cash provided by operating activities	234,252	314,625
Investing activities:
Life insurance premiums paid	(133,928)	(129,702)
Purchase of equipment and leasehold improvements	(403,434)	(449,796)
Cash (used in) investing activities	(537,362)	(579,498)
Financing activities:
Net (decrease) in cash and cash equivalents	(303,110)	(264,873)
Cash and cash equivalents at beginning of year	735,393	1,000,266
Cash and cash equivalents at end of year	$ 432,283	$ 735,393