Accrued Liabilities (Tables)

3 Months Ended

Mar. 31, 2015

Accrued Liabilities [Abstract]

Schedule Of Accrued Liabilities

	March 31,	December 31,
	2015	2014
Accrued salaries, bonus, and benefits	$     2,164,991	$    2,557,557
Accrued rent	1,400,828	1,407,740
Accrued licenses and maintenance fees	660,743	661,766
Accrued interest	491,768	493,616
Accrued warranties	334,873	364,548
Accrued taxes	345,406	332,364
Other	182,558	102,479
Total accrued liabilities	5,581,167	5,920,070
Less: Long term accrued liabilities	(339,246)	(414,928)
Total current accrued liabilities	$     5,241,921	$    5,505,142