7. Accrued Liabilities

Accrued liabilities consist of the following:


	March 31,	December 31,
	2017	2016

Accrued salaries, bonus, and benefits	$ 2,274,587	$ 2,452,183
Accrued rent	723,770	965,412
Accrued licenses and maintenance fees	559,605	561,450
Accrued warranties	193,064	222,845
Accrued taxes	265,901	219,017
Accrued professional services	116,700	180,450
Other	272,614	210,216
Total accrued liabilities	4,406,241	4,811,573
Less: Long term accrued liabilities	(320,545)	(320,409)
Total current accrued liabilities	$ 4,085,696	$ 4,491,164

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 March 31, 2017, the remaining accrued costs associated with the termination were $160,065.

In the fourth quarter of 2015, the Company entered an agreement to sublease 3,152 square feet of the first floor office space through December 31, 2018. In July 2016, the Company and the subtenant mutually agreed to an early termination of the sublease, effective July 31, 2016.

In August 2016 the Company entered into an agreement to sublease approximately 11,000 square feet of office space through December 31, 2018. The costs associated with the sublease were $40,972 and were accrued as a rent liability as of August 31, 2016. In January 2017, as part of the sublease agreement, the Company subleased an additional 16,000 square feet through December 31, 2018. The costs associated with the January sublease were $28,208. As of March 31, 2017, the remaining accrued costs associated with the termination were $44,687.