Note 12 - Stock Options (Tables)

12 Months Ended

Jun. 30, 2020

Notes Tables

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

	2020			2019
Expected stock price volatility		74	%		66	%
Risk free interest rate		1.87	%		2.86	%
Expected dividend yield		—	%		—	%
Expected life of options (years)		6.1			5.8

Share-based Payment Arrangement, Option, Activity [Table Text Block]

										Aggregate
								Weighted		Intrinsic
						Weighted		Average		Value of
				Stock		Average		Remaining		In-The-
	Number of			Options		Exercise		Contractual		Money
	Shares			Price Range		Price		Life - Years		Options
Shares under option at June 30, 2018		2,405,000		1.77 7 - 6.28 28		$	3.31		3.61	$	—
Granted		585,000		2.63 3 - 2.92 92		$	2.79
Exercised		(22,125	)	1.77 7 - 2.24 24		$	2.11
Expired		(302,000	)	1.77 7 - 5.83 83		$	5.62
Forfeited		(73,000	)		1.77 7 - 2.65 65	$	2.22
Shares under option at June 30, 2019		2,592,875		1.77 7 - 6.28 28		$	2.96		4.23	$	48,280
Granted		555,000		1.97 7 - 2.17 17		$	2.08
Expired		(362,000	)	2.20 0 - 6.28 28		$	3.53
Forfeited		(64,000	)		1.77 7 - 2.65 65	$	2.15
Shares under option at June 30, 2020		2,721,875		1.77 7 - 6.00 00		$	2.73		4.82	$	—
Exercisable as of June 30, 2019		1,320,291		1.77 7 - 6.28 28		$	3.45		2.20	$	9,788
Exercisable as of June 30, 2020		1,408,709		1.77 7 - 6.00 00		$	3.12		2.61	$	—

Intrinsic Value and Cash Received from Stock Option Exercises and Fair Value of Vested Stock Options [Table Text Block]

	2020		2019
Total intrinsic value of stock options exercised	$	—	$	34,797
Cash received from stock option exercises	$	—	$	46,677
Total fair value of stock options vested	$	483,461	$	374,639
Total recognized tax benefit	$	—	$	9,198

Schedule of Nonvested Option Activity [Table Text Block]

				Weighted
				Average
				Grant Date
	Shares			Fair Value
Non-vested as of June 30, 2018		1,189,918			0.90
Granted		585,000			1.57
Vested		(429,334	)		0.87
Forfeited		(73,000	)		1.33
Non-vested as of June 30, 2019		1,272,584			1.19
Granted		555,000			1.26
Vested		(450,418	)		1.07
Forfeited		(64,000	)		1.39
Non-vested as of June 30, 2020		1,313,166			1.26