7. Leases

12 Months Ended

Dec. 31, 2015

Leases [Abstract]

7. Leases

The Company leases approximately 54,000 square feet of industrial space in West Melbourne, Florida under a non-cancellable operating lease.  The original lease, which expired on June 30, 2005, was renewed for an additional five years.  In December 2008 and September 2013, the Company executed the first and second amendments, respectively, to the lease, each of which reduced the amount of the monthly base rent payment.  The second amendment extended the expiration date of the lease to June 30, 2020.  Rental, maintenance and tax expenses for this facility were approximately $457 and $470 in 2015 and 2014, respectively.  The Company also leases 8,100 square feet of office space in Lawrence, Kansas, under a non-cancellable operating lease, to accommodate a portion of the Company’s engineering team.  The lease was amended on May 1, 2014 to extend the expiration date from December 31, 2014 to December 31, 2019.  Rental, maintenance and tax expenses for this facility were approximately $104 and $100 in 2015 and 2014, respectively.

The following table summarizes future minimum rental payments under these leases as of December 31, 2015:

2016	$	573
2017		573
2018		573
2019		573
2020		234
Thereafter		—
	$	2,526