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Notes Payable - Additional Information (Detail) (Revolving Credit Facility One, USD $) | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 | Jun. 30, 2013 | Dec. 31, 2013 | Nov. 30, 2013
Line Of Credit Facility [Line Items] |  |  |  |  |  |
Revolving credit line |  |  |  |  |  | $ 10,000,000
Revolving credit agreement maturity date |  |  | Oct. 01, 2015 |  |  |
Credit facility's interest rate, description |  |  | interest is being capitalized at the 30 day LIBOR rate plus 3.25% per annum |  |  |
Leverage test of total liabilities to total net worth | 1.25 |  | 1.25 |  |  |
Fixed Charge Coverage Ratio | 1.00 |  | 1.00 |  |  |
Borrowed under the agreement | 500,000 |  | 500,000 |  | 500,000 |
Additional borrowings available based on the Company's borrowing | 7,000,000 |  | 7,000,000 |  | 7,900,000 |
Interest capitalized | $ 13,000 | $ 0 | $ 18,000 | $ 0 |  |
London Interbank Offered Rate (LIBOR) |  |  |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |  |  |
Credit facility's interest rate, description |  |  | credit facility’s interest rate is London Interbank Offered Rate (“LIBOR”) (0.15% at June 30, 2014) plus 3.25% per annum |  |  |
Credit facility's interest rate |  |  | 0.15% |  |  |
Credit facility, basis spread on variable rate |  |  | 3.25% |  |  |
Commitment fee of the unused portion of the credit |  |  | 0.30% |  |  |

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- Definition Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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