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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 |  |

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- Definition Number of shares of stock issued as of the balance sheet date, including shares that had been issued and were previously outstanding but which are now held in the treasury. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 + Details
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