CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	6 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Operating activities:
Net income	$ 285,828	$ 70,588
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
(Recoveries of previously written off) provision for doubtful accounts	(14,179)	29,304
Loss on disposal of fixed assets	(4,987)	(3,359)
Depreciation of equipment and leasehold improvements	251,936	328,800
Stock-based compensation expense	245,408	318,491
Deferred income taxes	46,969	138,799
Change in cash surrender value of life insurance	(132,293)	(105,185)
Change in deferred compensation accrual	47,537	735
Deferred compensation paid	(75,000)	0
Net changes in operating assets and liabilities (see note 8)	858,995	(1,478,298)
Cash provided by (used in) operating activities	1,520,188	(693,407)
Investing activities:
Life insurance premiums paid	(129,381)	(231,620)
Purchase of equipment and leasehold improvements	(259,662)	(223,230)
Cash (used in) investing activities	(389,043)	(454,850)
Financing activities:
Net increase (decrease) in cash and cash equivalents	1,131,145	(1,148,257)
Cash and cash equivalents at beginning of period	1,000,266	1,899,411
Cash and cash equivalents at end of period	$ 2,131,411	$ 751,154