2. Per Share Data	3 Months Ended
Mar. 31, 2018
Notes to Financial Statements
2. Per Share Data	Basic earnings (loss) per share is calculated by dividing net income (loss) by the weighted average of outstanding common shares during the period. Diluted earnings per share is calculated by dividing net income by the number of shares outstanding under the basic calculation and adding all dilutive securities, which consist of options. The Company had net income of $1,693,000 for the three months ended March 31, 2018 and had a net income of $58,000 for the three months ended March 31, 2017.

2. Per Share Data

3 Months Ended

Mar. 31, 2018

Basic earnings (loss) per share is calculated by dividing net income (loss) by the weighted average of outstanding common shares during the period. Diluted earnings per share is calculated by dividing net income by the number of shares outstanding under the basic calculation and adding all dilutive securities, which consist of options. The Company had net income of $1,693,000 for the three months ended March 31, 2018 and had a net income of $58,000 for the three months ended March 31, 2017.