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Equity (Details Narrative) - USD ($)
$ / shares in Units, $ in Thousands
 1 Months Ended 12 Months Ended
Nov. 05, 2014
Nov. 30, 2014
Dec. 31, 2015
Dec. 31, 2014
Sep. 11, 2012
Jun. 15, 2010
Jun. 10, 2010
Common stock, shares issued     27,325,591 26,475,591      
Common stock, shares outstanding     27,325,591 26,475,591      
Common stock par value     $ 0.01 $ 0.01      
Percentage of voting rights     50.00% 50.00%      
Gross proceeds from private placements $ 4,500            
Proceeds from private placements, net of transaction costs $ 4,007            
Common stock, per share $ 1.05            
Warrants to purchase of shares of common stock 2,142,857            
Warrants exercise price per share $ 1.30            
Warrants non-exercisable term The warrants are non-exercisable for six months from the date of the closing and have a term of five years, six months.            
Risk free interest rate     2.10% 2.10%      
Expected life     8 years 7 months 6 days 7 years      
Annual volatility     63.00% 64.00%      
Annual dividend rate     0.00% 0.00%      
Each option exercisable to number of common shares     1        
Stock option vesting period     3 years        
Intrinsic value of options exercised     $ 0 $ 123      
Option excercise price per share     $ 0 $ 0      
Intrinsic value of options exercisable     $ 0 $ 0      
Stock based compensation expense     582 $ 830      
Employee service share-based compensation nonvested awards total compensation cost not yet recognized     $ 250        
Weighted average period of Options outstanding     2 years        
Warrants exercised          
Non-Employee Options [Member] | Selling General and Administrative Expense [Member]              
Stock based compensation expense     $ 0 $ 37      
2006 Amended and Restated Stock Incentive Plan [Member]              
Increase number of shares available     721,438        
DSIT Stock Option Plan [Member]              
Acorn holding upon conversion of preferred shares     88.30%        
Fully diluted acorn holding upon conversion of preferred shares     78.70%        
Derivative Liability [Member]              
Derivative liability   $ 50          
Risk free interest rate   1.10%          
Expected life   3 years 3 months 18 days          
Annual volatility   70.00%          
Annual dividend rate            
Placement Agent [Member]              
Warrants to purchase of shares of common stock 214,285            
Warrants exercise price per share $ 1.26   $ 1.26        
Warrants non-exercisable term The placement agent’s warrants are non-exercisable for six months from the date of the closing and have a term of five years.   The placement agent’s warrants are non-exercisable for six months from the date of the closing and have a term of five years and an exercise price of $1.26 per share.        
Expected life     5 years        
Annual volatility     62.00%        
Annual dividend rate            
Warrants granted in connection with November 2014 Capital Raise     214,285        
Weighted average contractual life of warrants period     5 years        
Value of warrants $ 97            
Discount rate     1.60%        
Unregistered Shares [Member]              
Common stock, shares issued 4,285,714            
Warrants [Member]              
Warrants exercise price per share     $ 1.30        
Warrants non-exercisable term     The warrants are non-exercisable for six months from the date of the closing and have a term of five years, six months and an exercise price of $1.30 per share.        
Expected life     5 years 6 months        
Annual volatility     63.00%        
Annual dividend rate            
Warrants granted in connection with November 2014 Capital Raise     2,142,847        
Weighted average contractual life of warrants period     5 years 6 months        
Value of warrants $ 1,018            
Discount rate     1.60%        
Warrants exercised     0 0      
Minimum [Member]              
Number of capital stock authorized           30,000,000 20,000,000
Options expiration period     5 years        
Maximum [Member]              
Number of capital stock authorized           42,000,000 30,000,000
Options expiration period     10 years        
Maximum [Member] | 2006 Stock Incentive Plan [Member]              
Increase number of shares available         1,000,000    
Maximum [Member] | 2006 Stock Incentive Plan [Member] | Non-Employee Directors [Member]              
Increase number of shares available         200,000