Comprehensive Income (Loss) (Details) (USD $)	3 Months Ended		9 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Comprehensive Income (Loss)
Net income (loss)	$ 495,924	$ (293,964)	$ 1,023,091	$ (1,722,443)
Foreign currency adjustment	(1,080,000)	130,000	(710,000)	450,000
Unrealized gain (loss) on securities held	14,000	(26,000)	170,000	34,000
Comprehensive income (loss)	$ (570,000)	$ (190,000)	$ 483,000	$ (1,238,000)