Share-based Compensation (Narrative) (Details) - USD ($)	3 Months Ended	6 Months Ended	9 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2020	Jun. 30, 2019	Mar. 24, 2020	Jul. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grants in period	0
Proceeds from stock option exercises		$ 415,000	$ 415,464	$ 200,000
Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period			3 years
Grants in period			2,228,827
Issuance of common stock upon cashless exercise of options			143,958	34,299
Cashless options, exercises in period			223,415	116,666
Options, exercises in period, intrinsic value			$ 1,100,000	$ 105,000
Shares exercised			441,548
Share price	$ 3.34		$ 3.34
Unrecognized compensation expense, stock options	$ 3,400,000		$ 3,400,000
Unrecognized compensation expense, period for recognition			3 years
Stock Appreciation Rights (SARs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award expiration period			10 years
Exercise price per share	$ 0.95		$ 0.95
Vested shares outstanding	50,000		50,000
Stock Appreciation Rights (SARs) [Member] | The APP Merger [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vest date			Oct. 31, 2018
Stock Appreciation Rights (SARs) [Member] | Employee [Member] | The APP Merger [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares issued			50,000
Stock Appreciation Rights (SARs) [Member] | Outside Directors [Member] | The APP Merger [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares issued			140,000
Maximum [Member] | Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award expiration period			10 years
2008 Stock Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized	0		0
2017 Equity Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized						4,700,000
Number of shares available	101,747		101,747
2018 Equity Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized					11,000,000
Number of shares available	5,881,998		5,881,998