Accounts Receivable (Tables)

12 Months Ended

Dec. 31, 2013

Receivables [Abstract]

Schedule of Credit Losses for Financing Receivables, Current [Table Text Block]

Write-offs are recorded at the time a customer account is deemed uncollectable. The following is a rollforward of the Company’s allowance for doubtful accounts:

	2013		2012
Balance, beginning of period	$	121,583	$	169,191
Provision for (recoveries of) doubtful accounts		82,332		(28,866)
Write-offs		(58,994)		(18,742)
Balance, end of period	$	144,921	$	121,583