Revenue Recognition and Sales Returns Reserves (Tables)

6 Months Ended

Jun. 30, 2013

Text Block [Abstract]

Analysis of Reserve for Sales

An analysis of the reserve for sales returns is as follows:

	Six Months Ended June 30,
	2013			2012
Balance at beginning of year	$	483,865		$	1,429,598
Provision:
Related to current period sales		—			—
Related to prior period sales		(73,303	)		(100,000	)
		(73,303	)		(100,000	)
Returns:
Related to current period sales		—			—
Related to prior period sales		—			(109,787	)
		—			(109,787	)
Balance at end of period	$	410,562		$	1,219,811