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Note 7 - Accrued Liabilities and Other Liabilities - Noncurrent (Tables)

6 Months Ended

Mar. 31, 2017

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

		March 31,				September 30,
		2017				2016
Payroll and related		$	973,438			$	382,845
Deferred revenue			412,049				637,763
Warranty reserve			409,031				285,402
Accrued contract costs			394,068				197,034
Total		$	2,188,586			$	1,503,044
Other liabilities - noncurrent consisted of the following:
Deferred rent		$	72,130			$	93,456
Extended warranty			40,110				71,582
Total		$	112,240			$	165,038

Schedule of Product Warranty Liability [Table Text Block]

		Three month ended								Six months ended
		March 31,								March 31,
		2017				2016				2017				2016
Beginning balance		$	353,938			$	292,379			$	356,984			$	315,618
Warranty provision			101,673				48,570				111,369				26,303
Warranty settlements			(6,470	)			(23,127	)			(19,212	)			(24,099	)
Ending balance		$	449,141			$	317,822			$	449,141			$	317,822

Warranty Reserves [Member]

Notes Tables

Schedule of Product Warranty Liability [Table Text Block]

		March 31,				September 30,				March 31,				September 30,
		2017				2016				2017				2016
Short-term warranty reserve		$	409,031			$	285,402			$	409,031			$	285,402
Long-term warranty reserve			40,110				71,582				40,110				71,582
Total warranty reserve		$	449,141			$	356,984			$	449,141			$	356,984

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Tabular disclosure of the changes in the guarantor's aggregate product warranty liability, including the beginning balance of the aggregate product warranty liability, the aggregate reductions in that liability for payments made (in cash or in kind) under the warranty, the aggregate changes in the liability for accruals related to product warranties issued during the reporting period, the aggregate changes in the liability for accruals related to preexisting warranties (including adjustments related to changes in estimates), and the ending balance of the aggregate product warranty liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=68068213&loc=d3e12565-110249

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