Note 10 - Accrued and Other Liabilities (Tables)

12 Months Ended

Sep. 30, 2019

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

	September 30,
	2019		2018
Payroll and related	$	2,050,324	$	2,041,735
Deferred revenue		508,522		460,086
Customer deposits		5,063,091		199,596
Accrued contract costs		252,833		197,034
Severance		-		152,730
Warranty reserve		150,229		99,216
Deferred rent		109,342		49,467
Total	$	8,134,341	$	3,199,864

Other Noncurrent Liabilities [Table Text Block]

	September 30,
	2019		2018
Deferred rent	$	1,881,387	$	1,663,058
Deferred extended warranty revenue		550,885		76,372
Total	$	2,432,272	$	1,739,430

Schedule of Product Warranty Liability [Table Text Block]

	September 30,
	2019			2018
Beginning balance	$	99,216		$	104,518
Warranty provision		85,078			6,093
Warranty settlements		(34,065	)		(11,395	)
Ending balance	$	150,229		$	99,216