Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Narrative) (Details)

v3.7.0.1
Stock-Based Compensation (Narrative) (Details) - USD ($)
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 26, 2015
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Dec. 31, 2016
Dec. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Aggregate fair value of stock options   $ 1,060,800   $ 1,060,800      
Chief Executive Officer [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Stock options granted       210,000      
Chief Financial Officer [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Stock options granted       30,000      
Warrants [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Period over which compensation expense will be recognized       4 years 3 months 19 days   4 years 3 months 19 days  
Warrants outstanding   170,314   170,314     362,500
Exercise price of warrants   $ 32.44   $ 32.44     $ 8.34
Outstanding intrinsic value   $ 0   $ 0     $ 0
Restricted Stock [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Restricted stock granted       15,544      
Exercise price of restricted stock granted       $ 7.72      
Restricted stock expense   28,000 $ 28,000 $ 55,000 $ 55,000    
Aggregate fair value of restricted stock   120,000   120,000      
Unrecognized compensation expense   166,000   $ 166,000      
Period over which compensation expense will be recognized       10 months 25 days      
Employee Stock Option [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Stock options granted       240,000      
Compensation expense   88,000   $ 471,000      
Unrecognized compensation expense   666,000   $ 666,000      
Period over which compensation expense will be recognized       1 year 7 months 6 days      
Aggregate fair value of stock options   60,800   $ 60,800      
Non-cash compensation expense   $ 114,000 $ 15,000 $ 530,000 $ 44,000    
Exercise price of options granted       $ 10.72      
Option term       10 years      
Option vesting period       2 years      
Equity Compensation Plan [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Number of shares authorized for issuance under equity incentive plan   615,000   615,000      
Increased number of shares authorized for issuance under equity incentive plan 390,000