XML 19 R7.htm IDEA: XBRL DOCUMENT v3.7.0.1
Consolidated Statements of Changes in Stockholders' Equity (Parentheticals) - shares
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Shares of common stock issued under compensation plans 629,553 721,349
Shares of common stock issued to settle warrants that have reached their expiration   79,899