STOCK OPTIONS (Tables)
 12 Months Ended
Dec. 31, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of Share-based Compensation, Activity [Table Text Block]
In 2016, the following stock option grants were made:
 
Option Date
 
Options
Granted
 
Exercise
Price
 
Estimated
Fair
Value of
Underlying
Stock
 
Intrinsic
Value
 
August 2016
 
 
600
 
$
50.00
 
$
30.00
 
None
 
August 2016
 
 
723
 
$
70.00
 
$
30.00
 
None
 
August 2016
 
 
999
 
$
90.00
 
$
30.00
 
None
 
August 2016
 
 
1,492
 
$
110.00
 
$
30.00
 
None
 
 
A summary of option activity for the Plan as of December 31, 2017 is represented as follows: 
 
 
Number of
Options
 
Weighted
Average
Exercise
Price
 
Weighted
Average
Remaining
Contract
Term (Years)
 
Aggregate
Intrinsic
Value
 
Options outstanding January 1, 2016
 
 
7,104
 
 
297.10
 
 
9.50
 
$
—
 
Granted
 
 
12,464
 
 
297.10
 
 
9.83
 
 
—
 
Forfeited
 
 
(13,275)
 
 
—
 
 
—
 
 
—
 
Options outstanding December 31, 2016
 
 
6,293
 
$
45.00
 
 
9.50
 
 
—
 
Granted
 
 
—
 
 
—
 
 
—
 
 
—
 
Forfeited
 
 
(4,610)
 
 
—
 
 
—
 
 
—
 
Outstanding at December 31, 2017
 
 
1,683
 
$
45.00
 
 
8.50
 
$
—
 
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
A summary of significant assumptions used to estimate the fair value of the stock options granted in 2016 is as follows:
 
 
 
 
 
Weighted average fair value of options granted
 
 
$17.00
 
Expected term (years)
 
 
6.0 to 10.0
 
Risk-free interest rate
 
 
1.21% to 1.51%
 
Volatility
 
 
45.4%
 
Dividend yield
 
 
None
 
Nonvested Restricted Stock Shares Activity [Table Text Block]
The following table summarizes restricted share activity for the year ended December 31, 2017:
 
 
 
Number of
Shares
 
Weighted
Average
Grant Date
Fair Value
 
Outstanding January 1, 2017
 
 
12,847
 
$
38.70
 
Granted
 
 
119,410
 
 
11.50
 
Vested
 
 
(65,257)
 
 
12.00
 
Forfeited
 
 
(7,000)
 
 
30.60
 
Outstanding at December 31, 2017
 
 
60,000
 
$
13.80