Note 3 - Consumer Receivables Acquired for Liquidation - Changes in Balance Sheet Account of Consumer Receivables Acquired for Liquidation (Details) - USD ($)	3 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Balance	$ 1,668,000	$ 3,749,000
Net cash collections	(3,375,000)	(4,025,000)
Impairment	(23,000)
Effect of foreign currency translation	46,000	(147,000)
Finance income recognized	3,132,000	3,494,000
Balance	$ 1,448,000	$ 3,071,000
Finance income as a percentage of collections	92.80%	86.80%