6. Warrants and stock options
|6 Months Ended|
Jun. 30, 2017
|Notes to Financial Statements|
|Warrants and stock options||
Warrant and Option Exercises – During the three and six months ended June 30, 2017, certain holders exercised warrants and options and received an aggregate of 107,000 and 117,000 shares of the Company’s common stock upon payment of an aggregate of $652,000 and $690,000, respectively, in cash. There were no warrants or options exercised during the three and six months ended June 30, 2016. As of June 30, 2017, there were no warrants outstanding for which we account using fair value methodologies; accordingly, no fair value adjustments will be made in future periods relating to currently outstanding warrants.