(10) Schedule Of Segment Reporting By Geographical Areas (Details 2) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Revenues:
Total Revenues	$ 17,089,013	$ 18,856,390	$ 52,923,286	$ 57,443,660
Long-lived assets:
Total long-lived assets	12,875,086		12,875,086		12,720,447
North America Member
Revenues:
Total Revenues	6,359,024	8,357,359	21,560,761	25,168,138
Long-lived assets:
Total long-lived assets	11,438,861		11,438,861		11,271,525
Asia Pacific Member
Revenues:
Total Revenues	5,906,013	5,927,358	16,650,814	16,914,635
Long-lived assets:
Total long-lived assets	1,051,026		1,051,026		1,122,487
Europe, Middle East, Africa and Other Member
Revenues:
Total Revenues	4,823,976	4,571,673	14,711,711	15,360,887
Long-lived assets:
Total long-lived assets	$ 385,199		$ 385,199		$ 326,435