Annual report pursuant to Section 13 and 15(d)

Earnings Per Share (Details)

v3.8.0.1
Earnings Per Share (Details) - USD ($)
3 Months Ended 12 Months Ended
Dec. 31, 2017
Sep. 30, 2017
Jun. 30, 2017
Mar. 31, 2017
Dec. 31, 2016
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Numerator:                      
Net (loss) income from continuing operations                 $ 1,341,362 $ (6,993,967) $ (10,269,278)
(Loss) income from discontinued operations, net of tax $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ (99,334) $ 0 $ 0 $ (99,334) $ (1,251,058)
Denominator:                      
Denominator for basic earnings per share - weighted average shares (shares)                 8,704,730 8,649,745 8,710,361
Effect of dilutive securities:                      
Employee stock options and stock grants (shares)                 22,757 0 0
Denominator for diluted earnings per share - weighted average shares (shares)                 8,727,487 8,649,745 8,710,361
Net earnings (loss) per share from continuing operations:                      
Basic (dollars per share) $ 0.11 $ (0.14) $ 0.10 $ 0.08 $ (0.17) $ (0.30) $ (0.18) $ (0.16) $ 0.15 $ (0.81) $ (1.18)
Diluted (dollars per share) $ 0.11 $ (0.14) $ 0.10 $ 0.08 (0.17) (0.30) (0.18) (0.16) 0.15 (0.81) (1.18)
Net loss per share from discontinued operations:                      
Basic (dollars per share)         0.00 0.00 (0.01) 0.00 0.00 (0.01) (0.14)
Diluted (dollars per share)         $ 0.00 $ 0.00 $ (0.01) $ 0.00 $ 0.00 $ (0.01) $ (0.14)
Antidilutive securities excluded from earnings per share calculation (shares)                 86,524 295,287 229,025