Other Accrued Liabilities

12 Months Ended

Dec. 31, 2013

Payables and Accruals [Abstract]

Other Accrued Liabilities

5.  Other Accrued Liabilities

Other current and long-term accrued liabilities consisted of:

	2013		2012
Customer rebates	$	3,277,416	$	3,404,720
Remediation liability		39,044		123,587
Pension liability		183,034		900,291
Other		1,873,695		1,732,940
	$	5,373,188	$	6,161,538