9. Leases

The Company leases certain equipment and buildings under operating lease arrangements. Most leases are for a fixed term and for a fixed amount; additionally, the Company leases certain buildings under operating leases on a month-to-month basis. The Company is not a party to any leases that have step rent provisions, escalation clauses, capital improvement funding or payment increases based on any index or rate.

Future minimum payments under non-cancelable operating leases with initial or remaining terms in excess of one year during each of the next five years follow:

2016	$	1,046,940
2017		992,680
2018		884,615
2019		397,186
2020		55,120
	$	3,376,541

Rent expense for all operating leases was $1,324,365 in 2015, $1,151,749 in 2014 and $1,093,895 in 2013. The Company expects future rent expense, including non-cancelable operating leases, leases that are expected to be renewed and buildings leased on a month-to-month basis, for each of the next five years to be in the range of $1,100,000 to $1,300,000.