3. FAIR VALUE MEASUREMENTS (Details) - USD ($)	3 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Beginning balance	$ 834,000
Payout of deferred consideration	(200,000)	$ 0
Ending balance	634,000
Level 1 [Member]
Beginning balance	0
Payout of deferred consideration	0
Ending balance	0
Level 2 [Member]
Beginning balance	0
Payout of deferred consideration	0
Ending balance	0
Level 3 [Member]
Beginning balance	834,000
Payout of deferred consideration	(200,000)
Ending balance	$ 634,000