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Note 7 - Accrued Liabilities and Other Liabilities - Noncurrent - Summary of Accrued Liabilities (Details) - USD ($)
Mar. 31, 2017
Sep. 30, 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
Deferred rent 72,130 93,456
Extended warranty 40,110 71,582
Total $ 112,240 $ 165,038