(15) Segment Reporting and Concentrations (Details) (USD $)	3 Months Ended																12 Months Ended
	Dec. 31, 2012		Sep. 30, 2012		Jun. 30, 2012		Mar. 31, 2012		Dec. 31, 2011		Sep. 30, 2011		Jun. 30, 2011		Mar. 31, 2011		Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Revenues:
Total Revenues	$ 22,487,683	[1]	$ 17,089,013	[1]	$ 16,466,201	[1]	$ 19,368,072	[1]	$ 25,426,942	[1]	$ 18,856,390	[1]	$ 19,628,008	[1]	$ 18,959,262	[1]	$ 75,410,969	$ 82,870,602	$ 82,843,746
Long-lived assets:
Total long-lived assets	11,738,879								12,720,447								11,738,879	12,720,447
America Member
Revenues:
Total Revenues																	30,505,705	36,227,426	45,796,271
Long-lived assets:
Total long-lived assets	10,263,056								11,271,525								10,263,056	11,271,525
Asia Pacific Member
Revenues:
Total Revenues																	24,807,328	24,197,054	16,151,399
Long-lived assets:
Total long-lived assets	1,041,470								1,122,487								1,041,470	1,122,487
Europe, Middle East, Africa and Other Member
Revenues:
Total Revenues																	20,097,936	22,446,122	20,896,076
Long-lived assets:
Total long-lived assets	$ 434,353								$ 326,435								$ 434,353	$ 326,435

[1] Due to cash collections of previously reserved accounts receivable balances, the Company recorded a benefit of approximately $0.7 million during both the years ended December 31, 2012 and 2011, respectively. These amounts are included within revenues in each respective period in the accompanying consolidated statements of operations.