Accrued Liabilities (Schedule Of Accrued Liabilities) (Details) (USD $)	3 Months Ended	9 Months Ended
	Sep. 30, 2013 sqft	Sep. 30, 2014 sqft	Dec. 31, 2013	Dec. 31, 2012
Accrued Liabilities [Abstract]
Accrued salaries, bonus, and benefits		$ 2,776,557	$ 3,565,385
Accrued rent		1,470,126	1,499,942
Accrued license and maintenance fees		752,623	302,384
Accrued interest		494,880	498,058
Accrued warranties		379,794	501,212	653,473
Accrued taxes		352,106	360,475
Other		300,524	351,925
Total accrued liabilities		6,526,610	7,079,381
Square feet of office leased space		52,000
Square feet of demonstration and assembly leased space		12,000
Square feet of terminated unimproved space leased space	13,000
Accrued lease termination costs, additions	515,138
Accrued lease termination costs		$ 429,123