Stock Based Compensation Plans: (Tables)

9 Months Ended

Sep. 30, 2020

Share-based Payment Arrangement [Abstract]

Stock Option Transactions

	2020		2019
	Shares	Weighted Average Exercise Price	Shares	Weighted Average Exercise Price
Options outstanding - beginning of period	4,369,565	$ 3.09	4,554,565	$ 3.11
Options granted	260,000	1.72	-	-
Options expired	-	-	(185,000)	3.43
Options outstanding - end of period	4,629,565	$ 2.36	4,369,565	$ 3.09
Options exercisable - end of period	4,539,564	$ 2.38	4,369,565	$ 3.09

Stock Options Oustanding and Exercisable

	Outstanding Options				Exercisable Options
Exercise Price	Number	Weighted Average Exercise Price	Aggregate Intrinsic Value	Weighted Average Remaining Contractual Term (Years)	Number	Weighted Average Exercise Price	Aggregate Intrinsic Value	Weighted Average Remaining Contractual Term (Years)
$1.70 - $1.93	829,922	$1.82	$0	4.48	739,921	$1.84	$0	3.81
$2.39 - $2.39	3,369,643	$2.39	0	6.38	3,369,643	$2.39	0	6.38
$3.15 - $3.26	430,000	$3.21	0	4.21	430,000	$3.21	0	4.21
$1.70 - $3.26	4,629,565	$2.36	$0	5.84	4,539,564	$2.38	$ 0	5.76