Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (Parenthetical)

v3.3.1.900
CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (Parenthetical) - $ / shares
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Increase (Decrease) in Stockholders' Equity [Roll Forward]      
Issuance of Common Stock on exercise of stock purchase warrants (in shares)   392  
Cash dividend (in dollars per share) $ 0.11 $ 0.08 $ 0
Common Stock [Member]      
Increase (Decrease) in Stockholders' Equity [Roll Forward]      
Number of shares repurchased for taxes withheld on vested restricted stock (in shares) 29,676 20,534 8,906
Conversion of Preferred Stock Series B to Common Stock [Member] | Common Stock [Member]      
Increase (Decrease) in Stockholders' Equity [Roll Forward]      
Number of shares issued in conversion of Preferred Stock to Common Stock (in shares)     50,000
Conversion of Preferred Stock Series B to Common Stock [Member] | Preferred Stock [Member] | Series B [Member]      
Increase (Decrease) in Stockholders' Equity [Roll Forward]      
Number of shares converted in conversion of Preferred Stock to Common Stock (in shares)     300
Exchange of Preferred Stock Series A to Common Stock [Member] | Common Stock [Member]      
Increase (Decrease) in Stockholders' Equity [Roll Forward]      
Number of shares issued in exchange of Preferred Stock to Common Stock (in shares)     5,973,519
Exchange of Preferred Stock Series A to Common Stock [Member] | Preferred Stock [Member] | Series A [Member]      
Increase (Decrease) in Stockholders' Equity [Roll Forward]      
Number of shares exchanged in exchange of Preferred Stock to Common Stock (in shares)     31,290
Exchange of Preferred Stock Series B to Common Stock [Member] | Common Stock [Member]      
Increase (Decrease) in Stockholders' Equity [Roll Forward]      
Number of shares issued in exchange of Preferred Stock to Common Stock (in shares)     457,159
Exchange of Preferred Stock Series B to Common Stock [Member] | Preferred Stock [Member] | Series B [Member]      
Increase (Decrease) in Stockholders' Equity [Roll Forward]      
Number of shares exchanged in exchange of Preferred Stock to Common Stock (in shares)     2,300