Note 2 - Summary of Significant Accounting Policies (Tables)

6 Months Ended

Mar. 31, 2019

Notes Tables

Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block]

	March 31, 2019
	As Reported			Adjustments			As If Presented Under ASC 605
Condensed Consolidated Balance Sheet
Assets
Other current assets	$	523			59		$	464
Other assets		214			27			187
Equity
Retained earnings	$	(79,334	)		(86	)	$	(79,420	)

	Three Months Ended March 31, 2019									Six Months Ended March 31, 2019
	As Reported			Adjustments			As If Presented Under ASC 605			As Reported			Adjustments		As If Presented Under ASC 605
Condensed Consolidated Statement of Operations
Sales and Marketing	$	1,001		$	(4	)	$	997		$	1,815		$	9	$	1,824
Net loss	$	(12,522	)	$	(4	)	$	(12,518	)	$	(17,477	)	$	9	$	(17,486	)
Net loss per share
Basic and diluted	$	(41.52	)	$	-		$	(41.52	)	$	(67.36	)	$	-	$	(67.36	)

	Six Months Ended March 31, 2019
	As Reported			Adjustments		As If Presented Under ASC 605
Condensed Consolidated Statement of Cash Flows
Cash flows from operating activities
Net loss	$	(17,477	)	$	9	$	(17,486	)
Other current assets and other assets	$	394		$	9	$	403

Contract with Customer, Asset and Liability [Table Text Block]

	Deferred Revenue
	Current		Long Term
Balance as of October 1, 2018	$	594	$	20
Increase(decrease)	$	341	$	(7	)
Balance as of December 31, 2018	$	935	$	13
Increase(decrease)	$	417	$	(5	)
Balance as of March 31, 2019	$	1,352	$	8