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Stock Incentive Plans (Tables)
 9 Months Ended
Sep. 30, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Schedule of activity of stock incentive and equity plans

   Shares
available
for grant		   Number of
options
outstanding		   Weighted-
average option
exercise price		   Number of
restricted
stock
shares
issued		   Number of
RSUs
outstanding		 
At January 1, 2019   295,067    69,083   $12.10    99,570    50,176 
Granted   (51,925)   1,000    8.34    —    925 
Exercised/issued   —   —    —    —    (6,098)
Cancelled/forfeited   37,244    (37,244)   12.31    —    — 
At September 30, 2019   280,386    32,839   $11.49    99,570    45,003 
Schedule of non-vested options

   Options   Weighted-
average
exercise
price		 
Non-vested options at January 1, 2019   21,992   $6.86 
Granted   1,000    8.34 
Vested   (9,878)   6.95 
Canceled/forfeited   (2,248)   6.10 
Non-vested options at September 30, 2019   10,866   $7.08 
Summary of award vesting terms for RSUs granted

Number of RSUs   Target
price		  
15,000   $ 11.00  
15,000   $ 12.50  
15,000   $ 14.00  
Restricted Stock [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Summary of award vesting terms for RSUs granted

   RSUs
outstanding		   Weighted average
price at
time of grant		   Aggregate intrinsic
value		 
Non-vested RSUs as of January 1, 2019   50,176   $6.31      
Granted   925    7.95      
Vested   (6,098)   7.40      
Cancelled   —    —      
Non-vested RSUs at September 30, 2019   45,003   $6.20   $279,011 
Summary of restricted stock units

Non-vested restricted stock as of January 1, 2019   2,454 
Granted   — 
Vested   (2,454)
Non-vested restricted stock as of September 30, 2019   —