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Stock-Based Compensation Plans (Tables)
12 Months Ended
Dec. 31, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of share-based compensation expense
Stock compensation expense recorded as a component of equity consisted of the following for the years ended December 31:
 
 
2013
 
2012
 
2011
 
 
 
 
 
 
 
Share-based compensation - employees
 
$
614,818

 
$
555,898

 
$
627,353

Share-based compensation - nonemployees
 
56,116

 
76,920

 
128,158

Total share-based compensation
 
$
670,934

 
$
632,818

 
$
755,511

Schedule of stock options activity
Stock option activity for 2013 and 2012 was as follows:
 
 
Number of
shares
 
Weighted-
average
exercise
price per
share
 
Weighted-
average
remaining
contractual
term (years)
 
Aggregate
intrinsic
value
 
 
 
 
 
 
 
 
 
Outstanding, December 31, 2011
 
1,276,158

 
$
7.75

 
2.9
 
$
700,294

Options granted
 

 

 
 
 
 
Options exercised
 
(173,688
)
 
3.55

 
 
 
 
Options forfeited or expired
 
(435,599
)
 
12.22

 
 
 
 
Outstanding, December 31, 2012
 
666,871

 
5.93

 
1.4
 
132,348

Options granted
 

 

 
 
 
 
Options exercised
 
(171,100
)
 
3.50

 
 
 
 
Options forfeited or expired
 
(139,275
)
 
6.25

 
 
 
 
Outstanding, December 31, 2013
 
356,496

 
6.96

 
1.0
 
$
360

Exercisable at December 31, 2013
 
356,496

 
$
6.96

 
1.0
 
$
360

Schedule of stock options activity, additional disclosures
Information related to the stock option plans during 2013, 2012 and 2011 was as follows:
 
 
2013
 
2012
 
2011
 
 
 
 
 
 
 
Intrinsic value of options exercised
 
$
212,444

 
$
495,480

 
$
1,742,103

Weighted-average fair value of
options exercised
 
$
0.12

 
$
1.00

 
$
2.06

Schedule of restricted stock activity
Restricted stock activity was as follows:
 
 
Number
of shares
 
Weighted-
average
grant-date
fair value
 
 
 
 
 
Nonvested, December 31, 2011
 
136,170

 
$
5.41

Shares granted
 
286,453

 
4.87

Shares vested
 
(7,000
)
 
5.28

Shares forfeited
 
(32,093
)
 
5.68

Nonvested, December 31, 2012
 
383,530

 
4.99

Shares granted
 
195,925

 
4.78

Shares vested
 
(17,193
)
 
3.58

Shares forfeited
 
(41,678
)
 
3.97

Nonvested, December 31, 2013
 
520,584

 
5.05