Accrued Liabilities

6 Months Ended

Jun. 30, 2018

Payables and Accruals [Abstract]

Accrued Liabilities

7. Accrued Liabilities

Accrued liabilities consist of the following:

	June 30, 2018			December 31, 2017
Accrued salaries, bonus, and benefits	$	1,467,050		$	1,641,491
Accrued rent		255,850			441,417
Accrued licenses and maintenance fees		578,999			581,672
Accrued warranties		143,991			164,365
Accrued taxes		267,299			234,668
Accrued professional services		431,329			367,072
Other		348,768			299,931
Total accrued liabilities		3,493,286			3,730,616
Less: Long term accrued liabilities		(534,413	)		(535,369	)
Total current accrued liabilities	$	2,958,873		$	3,195,247

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, 2018, the remaining accrued costs associated with the termination were $47,728.

In August 2016 the Company entered into an agreement to sublease approximately 11,000 square feet of office space immediately and an additional 16,000 square feet of office space beginning in January, 2017, with the term of the sublease ending on December 31, 2018. The initial costs associated with the sub lease were $69,180, and as of June 30, 2018, the remaining accrued costs were $13,329.