Stock-Based Compensation Arrangements (Tables)

6 Months Ended

Jun. 30, 2014

Stock-Based Compensation Arrangements [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,
	2014		2013		2014		2013
Stock option grants beginning of period	$	120,650	$	25,243	$	240,182	$	51,965
Stock-based arrangements during the period:
Stock option grants		127		3,061		1,167		6,110
Restricted stock issued:
Employee stock purchase plan		1,801		1,291		3,450		2,208
	$	122,578	$	29,595	$	244,799	$	60,283

Common Stock Weighted Average Purchase Price

The following table details stock option and restricted stock activity for the six months ended June 30, 2014 and 2013:

	Six Months  Ended June 30, 2014				Six Months  Ended June 30, 2013
	Shares		Weighted Avg Exercise Price		Shares		Weighted Avg Exercise Price
Outstanding, beginning of period		5,884,050	$	0.43		2,302,000	$	1.06
Stock options granted		137,000		0.35		200,000		0.29
Stock options exercised		—		0.00		(2,000)		0.12
Restricted stock exercised		—		0.00		(2,500)		0.00
Canceled/Expired		(31,250)		2.43		(80,250)		1.58
Outstanding, end of period		5,989,800	$	0.42		2,417,250	$	0.98
Exercisable, end of period		711,175	$	0.72		1,443,075	$	1.40