Stock-Based Compensation - Share-based Payment Arrangement, Option, Activity (Details)	3 Months Ended
	Dec. 31, 2020 USD ($) $ / shares shares
Shares
Outstanding, beginning balance (in shares) | shares	100,000
Stock options, granted (in shares) | shares	0
Stock options, exercised (in shares) | shares	0
Stock options, expired (in shares) | shares	0
Stock options, forfeited (in shares) | shares	0
Outstanding, ending balance (in shares) | shares	100,000
Exercisable (in shares) | shares	83,334
Wtd. Avg. Ex. Price
Outstanding, weighted average exercise price (in dollars per share) | $ / shares	$ 1.55
Granted (in dollars per share) | $ / shares	0
Exercised (in dollars per share) | $ / shares	0
Expired (in dollars per share) | $ / shares	0
Forfeited (in dollars per share) | $ / shares	0
Outstanding, weighted average exercise price (in dollars per share) | $ / shares	1.55
Exercisable, weighted average exercise price (in dollars per share) | $ / shares	$ 1.60
Exercisable, aggregate intrinsic value | $	$ 0