(9) Accumulated Other Comprehensive Loss (Details) (USD $)	3 Months Ended	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2013
Accumulated other comprehensive (loss) income at beginning of period	$ (1,616,074)	$ (1,650,050)
Other comprehensive (loss) income before reclassifications	(20,524)	11,310
Amounts reclassified from accumulated other comprehensive (loss) income	(1,058)	1,084
Total other comprehensive (loss) income	(21,582)	12,394
Accumulated other comprehensive (loss) income at end of period	(1,637,656)	(1,637,656)
Foreign Currency Translation
Accumulated other comprehensive (loss) income at beginning of period	(1,566,611)	(1,601,138)
Other comprehensive (loss) income before reclassifications	(19,737)	14,790
Amounts reclassified from accumulated other comprehensive (loss) income	0	0
Total other comprehensive (loss) income	(19,737)	14,790
Accumulated other comprehensive (loss) income at end of period	(1,586,348)	(1,586,348)
Net Unrealized Gains On Marketable Securities
Accumulated other comprehensive (loss) income at beginning of period	10,217	6,210
Other comprehensive (loss) income before reclassifications	(2,258)	1,749
Amounts reclassified from accumulated other comprehensive (loss) income	(3,199)	(3,199)
Total other comprehensive (loss) income	(5,457)	(1,450)
Accumulated other comprehensive (loss) income at end of period	4,760	4,760
Net Minimum Pension Liability
Accumulated other comprehensive (loss) income at beginning of period	(59,680)	(55,122)
Other comprehensive (loss) income before reclassifications	1,471	(5,229)
Amounts reclassified from accumulated other comprehensive (loss) income	2,141	4,283
Total other comprehensive (loss) income	3,612	(946)
Accumulated other comprehensive (loss) income at end of period	$ (56,068)	$ (56,068)