Stock-Based Compensation Arrangements (Tables)

6 Months Ended

Jun. 30, 2013

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Total Compensation Cost Recorded for Stock-Based Compensation

Total stock-based compensation is as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2013		2012		2013		2012
Stock option grants beginning of period	$	25,243	$	48,185	$	51,965	$	94,796
Stock-based arrangements during the period:
Stock option grants		3,061		3		6,110		3
Restricted stock issued:
Employee stock purchase plan		1,291		169		2,208		1,332
	$	29,595	$	48,357	$	60,284	$	96,131

Common Stock Weighted Average Purchase Price

The following table details stock option and restricted stock activity for the six months ended June 30, 2013 and 2012:

		Six Months Ended		June 30, 2013		Six Months Ended		June 30, 2012
	Shares		Weighted Avg Exercise Price		Shares		Weighted Avg Exercise Price
Outstanding, beginning of period		2,302,000	$	1.06		2,228,067	$	1.14
Stock options granted		200,000		0.29		500		0.34
Stock options exercised		(2,000)		0.12		—		—
Restricted stock exercised		(2,500)		0.00		(2,500)		0.00
Canceled/Expired		(80,250)		1.58		(125,800)		0.59
Outstanding, end of period		2,417,250	$	.98		2,100,267	$	1.17
Exercisable, end of period		1,443,075	$	1.40		1,393,217	$	1.50