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Shareholders' Equity (Tables)
 3 Months Ended
Mar. 31, 2017
Shareholders’ Equity [Abstract]  
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

The following table summarizes the activity for stock options and warrants for the three months ended March 31, 2017, as adjusted for the Reverse Stock Split:

 
 
Stock Options
 
Warrants
 
 
Shares
 
Weighted Average Exercise Price
 
Weighted Average Remaining Contractual Term (Years)
 
Aggregate Intrinsic Value (In Thousands)
 
Shares
 
Weighted Average Exercise Price
 
Weighted Average Remaining Contractual Term (Years)
 
Aggregate Intrinsic Value (In Thousands)
Outstanding at December 31, 2016
 
952,790

 
$
39.90

 
7.60
 
$
—

 
388,062

 
$
76.50

 
1.24
 
$
—

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Changes during the period:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Granted
 
209,418

 
3.60

 
 
 
 
 
—

 
—

 
 
 
 
Exercised
 
—

 
—

 
 
 
 
 
—

 
—

 
 
 
 
Forfeited
 
(6,294
)
 
8.40

 
 
 
 
 
—

 
—

 
 
 
 
Expired
 
(22,455
)
 
43.20

 
 
 
 
 
(52,000
)
 
51.30

 
 
 
 
Outstanding at March 31, 2017
 
1,133,459

 
$
33.30

 
7.80
 
$
386.5

 
336,062

 
$
80.40

 
1.15
 
$
—

Vested at March 31, 2017
or expected to vest in the future
 
1,103,988

 
$
34.00

 
7.76
 
$
357.7

 
336,062

 
$
80.40

 
1.15
 
$
—

Vested at March 31, 2017
 
821,156

 
$
43.10

 
7.23
 
$
133.6

 
336,062

 
$
80.40

 
1.15
 
$
—
Restricted Stock [Table Text Block]
During the three months ended March 31, 2017 and 2016, the Company issued restricted stock for services as follows (in thousands, except share data):

 
 
Three Months Ended March 31,
  
 
2017
 
2016
Number of restricted stock issued
 
132,726

 
98,383

Value of restricted stock issued
 
$
469.9

 
$
562.8