Accrued Liabilities

6 Months Ended

Jun. 30, 2014

Accrued Liabilities [Abstract]

Accrued Liabilities

7. Accrued Liabilities

Accrued liabilities consist of the following:

	June 30,	December 31,
	2014	2013
Accrued salaries, bonus, and benefits	$     2,504,797	$    3,565,385
Accrued rent	1,480,065	1,499,942
Accrued warranties	437,758	501,212
Accrued interest	496,788	498,058
Accrued licenses and maintenance fees	767,639	302,384
Accrued taxes	266,779	360,475
Other	338,181	351,925
Total accrued liabilities	$     6,292,007	$    7,079,381

Our primary company facilities are located in St. Louis, Missouri where we currently lease approximately 52,000 square feet of office and 12,000 square feet of demonstration and assembly space. In the third quarter of 2013, the Company modified the existing lease agreement to terminate approximately 13,000 square feet of unimproved space. The costs associated with the termination were $515,138 and were accrued as a rent liability as of September 30, 2013. As of June 30, 2014, the remaining accrued costs associated with the termination were $451,118.