| Assumptions Used in Calculating Fair Value of Derivative Liability [Table Text Block] |
|
|
|
|
|
|
|
Dividend
yield
|
|
|
0
|
%
|
|
|
0
|
%
|
|
Expected
volatility
|
|
|
42.95
|
%
|
|
|
46.58
|
%
|
|
Risk
free interest rate
|
|
|
0.37
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%
|
|
|
0.25
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%
|
|
Expected
remaining term (years)
|
|
2.4
|
|
|
0.15
|
|
|
Common
stock price
|
|
$
|
2.30
|
|
|
$
|
0.60
|
|
|
|
|
|
December 31,
|
|
Transaction
|
|
|
|
2011
|
|
2010
|
|
Date
|
|
Dividend
yield
|
|
|
0
|
%
|
|
|
0
|
%
|
|
|
0
|
%
|
|
Expected
volatility
|
|
|
46.58
|
%
|
|
|
44.84
|
%
|
|
|
38.28
|
%
|
|
Risk
free interest rate
|
|
|
0.25
|
%
|
|
|
0.61
|
%
|
|
|
1.14
|
%
|
|
Expected
remaining term (years)
|
|
0.15
|
|
|
0.75
|
|
|
2
|
|
|
Common
stock price
|
|
$
|
0.60
|
|
|
$
|
1.80
|
|
|
$
|
9.64
|
|
|
| Schedule of Related Party Transactions [Table Text Block] |
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|
|
June
30,
|
|
|
December
31,
|
|
|
|
|
2012
|
|
|
2011
|
|
|
|
|
|
|
|
|
|
|
BSC
Notes - principal
|
|
$
|
4,338,601
|
|
|
$
|
3,500,000
|
|
|
Summer
2011 Notes - principal
|
|
|
-
|
|
|
|
1,310,000
|
|
|
Total
related party notes payable - principal
|
|
|
4,338,601
|
|
|
|
4,810,000
|
|
|
BSC
Notes - unamortized discount
|
|
|
-
|
|
|
|
-
|
|
|
Summer
2011 Notes - unamortized discount
|
|
|
-
|
|
|
|
(432,706
|
)
|
|
Total
related party notes payable - unamortized
discount
|
|
|
-
|
|
|
|
(432,706
|
)
|
|
BSC
Notes - net
|
|
|
4,338,601
|
|
|
|
3,500,000
|
|
|
Summer
2011 Notes - net
|
|
|
-
|
|
|
|
877,294
|
|
|
Total
related party notes payable - net
|
|
$
|
4,338,601
|
|
|
$
|
4,377,294
|
|
|
|
Financial
Instrument:
|
|
|
|
|
|
Related
party convertible notes payable
|
|
$
|
2,272,500
|
|
|
Derivative
liability
|
|
|
1,227,500
|
|
|
|
|
$
|
3,500,000
|
|
|