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Stockholders' Equity (Details Narrative) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 27, 2018
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Stock purchase price, per share $ 4.50        
Number of common stock issued, shares 345,772 345,772      
Number of common stock issued $ 1,381 $ 1,381      
Offering expenses $ 175        
Stock options to purchase shares of common stock   2,000 2,000 2,000 4,000
Option exercised during period, value  
Stock-based compensation   $ 134 $ 117 $ 251 $ 234
Restricted Stock Units (RSUs) [Member]          
Number of shares granted   53,000
Grant date fair value, per share       $ 6.04  
Restricted Stock Units (RSUs) [Member] | Employment Agreements [Member]          
Number of shares granted       53,000  
Messrs. Ram Krishnan [Member] | Restricted Stock Units (RSUs) [Member] | Employment Agreements [Member]          
Number of shares granted       25,000  
Allen Wolff [Member] | Restricted Stock Units (RSUs) [Member] | Employment Agreements [Member]          
Number of shares granted       15,000  
Amended 2010 Performance Incentive Plan [Member]          
Number of option available for grants   59,000   59,000  
Share-based awards, expiration date       Feb. 29, 2020  
Amended 2010 Performance Incentive Plan [Member] | Maximum [Member]          
Number of option available for grants   240,000   240,000  
2014 Inducement Plan [Member] | Maximum [Member] | New Employee [Member]          
Number of option available for grants   85,000   85,000