Quarterly report pursuant to Section 13 or 15(d)

Equity Incentive Plan (Details Textual)

v3.10.0.1
Equity Incentive Plan (Details Textual)
6 Months Ended
Jun. 30, 2018
USD ($)
shares
EmployeeStockOption [member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | shares 122,039
Restricted Stock Units (RSUs) [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Stock Issued During Period, Shares, Employee Stock Ownership Plan | shares 117,500
Stock Issued During Period, Value, Employee Stock Ownership Plan | $ $ 158,110
Performance Shares [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Stock Issued During Period, Shares, Employee Stock Ownership Plan | shares 12,000
Stock Issued During Period, Value, Employee Stock Ownership Plan | $ $ 19,923
2013 Equity Incentive Plan  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Unrecognized compensation cost related to non-vested share-based compensation arrangements | $ $ 689,640
Weighted average period for recognition 8 months 12 days
2013 Equity Incentive Plan | EmployeeStockOption [member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Value of options granted | $ $ 330,713
Compensation expense associated with grants | $ $ 270,712
Equity Incentive Plan [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Shares of common stock available for issuance under the Plan (in shares) | shares 424,963
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | shares 422,039