Prepaid expenses and other current assets:

12 Months Ended

Sep. 30, 2011

Prepaid expenses and other current assets:

Prepaid expenses and other current assets:

5. Prepaid expenses and other current assets:

        Prepaid expenses and other current assets consist of the following:

	September 30, 2011		September 30, 2010
Revenue recognized not yet invoiced	$	384,640	$	420,429
Prepaid insurance		254,171		298,308
Deferred engineering costs		—		48,237
Income tax refund receivable		—		29,066
Other		236,825		186,728
	$	875,636	$	982,768