Valuation And Qualifying Accounts (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Allowance For Doubtful Accounts And Returns [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Year	$ 640,183	$ 667,529	$ 367,536
Additions Charged to Cost and Expenses	65,781	763	691,459
Deductions	(322,887)	(28,109)	(391,466)
Balance at the End of Year	383,077	640,183	667,529
Allowance For Inventory Valuation [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Year	72,639	151,157	539,518
Additions Charged to Cost and Expenses	179,803	122,783	156,852
Deductions	(172,229)	(201,301)	(545,213)
Balance at the End of Year	$ 80,213	$ 72,639	$ 151,157