Other Accrued Liabilities (Details) - USD ($)	Dec. 31, 2017	Dec. 31, 2016
Payables and Accruals [Abstract]
Customer rebates	$ 3,733,472	$ 2,789,003
Pension liability	113,042	205,071
Accrued Compensation	339,474	1,192,822
Dividend Payable	371,207	332,558
Other	1,655,531	1,151,636
Total other accrued liabilities	$ 6,212,726	$ 5,671,090