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Summary of Significant Accounting Policies - Additional Information (Detail) | 12 Months Ended |  |  | 12 Months Ended
--- | --- | --- | --- | ---
Dec. 31, 2013 USD ($) | Dec. 31, 2013 GBP (£) | Dec. 31, 2012 USD ($) | Dec. 31, 2013 Customer USD ($) | Dec. 31, 2012 Customer USD ($) | Dec. 31, 2013 Subsequent Event GBP (£)
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Entity Incorporation Date Of Incorporation | Jan. 11, 1991 | Jan. 11, 1991 |  |  |  |
Number of customer accounted for approximately 10% or more of total revenues | 2 | 2 | 2 |  |  |
Aggregate percentage of revenue the from customers accounted for more then 10% | 23.00% | 23.00% | 28.00% |  |  |
Deferred tax asset | $ 5,363,000 |  | $ 3,888,000 |  |  |
Operating loss carryforwards, limitations on use | Approximately $10,600,000 of the Company’s $16,000,000 of NOLs are subject to annual limitations of $1,300,000 | Approximately $10,600,000 of the Company’s $16,000,000 of NOLs are subject to annual limitations of $1,300,000 |  |  |  |
Options and warrants excluded from the calculation of diluted shares | 3,760,161 | 3,760,161 | 0 |  |  |
Production and importation permission from government agency, amount |  | 63,000,000 |  |  |  | 51,000,000
Accounts receivable, net |  |  |  | 344,000 | 0 |
Lower of cost or market adjustment | 14,700,000 |  | 0 |  |  |
Income Taxes Receivable, Current | 2,709,000 |  | 122,000 |  |  |
Unrecognized tax benefits | $ 0 |  | $ 0 |  |  |

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