Notes and advances payable (Tables)

9 Months Ended

Sep. 30, 2013

Notes and Advances Payable

Notes payable consist of the following as of December 31, 2012 and September 30, 2013:

	2012		2013
Officers, directors and affiliates:
Notes and advances payable, interest at 8.0%, due on demand	$	12,882	$	14,234
Notes and advances payable, interest at 9.7%, due on demand		85,000		85,000
Note payable, interest at 7.5%, due March 2015		150,000		150,000
Collateralized note payable (see below)		261,109		827,404
Total officers, directors and affiliates		508,991		1,076,638
Less: Current portion of officers, directors, and affiliates		508,991		926,638
Long-term portion of officers, directors, and affiliates	$	—	$	150,000
Unrelated parties:
Notes payable, interest at 7.5%, due March 2015		250,000		225,000
Notes payable, interest at 7.0%, due July 2014		—		44,000
Notes payable, interest at 7.0%, due July 2014		—		506,000
Total unrelated parties		250,000		775,000
Less: Current portion of unrelated parties		250,000		625,000
Long-term portion of unrelated parties	$	—	$	150,000