Annual report pursuant to Section 13 and 15(d)

EARNINGS (LOSS) PER SHARE INFORMATION (Details Textual)

v3.8.0.1
EARNINGS (LOSS) PER SHARE INFORMATION (Details Textual) - shares
 1 Months Ended 12 Months Ended
Mar. 15, 2018
Mar. 14, 2018
Jul. 31, 2017
Dec. 31, 2016
Apr. 30, 2016
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Underwritten Public Offering [Member]                
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]                
Stock Issued During Period, Shares, New Issues     4,977,658 7,195,387 11,500,000      
Underwritten Public Offering [Member] | Subsequent Event [Member]                
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]                
Stock Issued During Period, Shares, New Issues 6,164,000 6,164,000            
Common Stock [Member]                
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]                
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount           603,500 3,358,250 2,881,150
Stock Issued During Period, Shares, New Issues           4,977,658 18,695,387 4,600,000