Annual report pursuant to Section 13 and 15(d)

PARENT COMPANY FINANCIAL INFORMATION (Condensed Balance Sheets Parenthetical) (Detail)

v2.4.1.9
PARENT COMPANY FINANCIAL INFORMATION (Condensed Balance Sheets Parenthetical) (Detail) (USD $)
Dec. 31, 2014
Dec. 31, 2013
Jun. 21, 2011
Common stock, par value $ 0.001us-gaap_CommonStockParOrStatedValuePerShare $ 0.001us-gaap_CommonStockParOrStatedValuePerShare  
Common Stock Shares Authorized 50,000,000us-gaap_CommonStockSharesAuthorized 50,000,000us-gaap_CommonStockSharesAuthorized  
Common Stock, Shares, Issued 24,801,518us-gaap_CommonStockSharesIssued 22,050,036us-gaap_CommonStockSharesIssued  
Common Stock, Shares, Outstanding 24,801,518us-gaap_CommonStockSharesOutstanding 22,050,036us-gaap_CommonStockSharesOutstanding  
Parent Company [Member]      
Common stock, par value $ 0.001us-gaap_CommonStockParOrStatedValuePerShare
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
$ 0.001us-gaap_CommonStockParOrStatedValuePerShare
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
 
Common Stock Shares Authorized 50,000,000us-gaap_CommonStockSharesAuthorized
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
50,000,000us-gaap_CommonStockSharesAuthorized
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
 
Common Stock, Shares, Issued 24,801,518us-gaap_CommonStockSharesIssued
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
22,050,036us-gaap_CommonStockSharesIssued
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
 
Common Stock, Shares, Outstanding 24,801,518us-gaap_CommonStockSharesOutstanding
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
22,050,036us-gaap_CommonStockSharesOutstanding
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
 
Series Preferred Stock [Member]      
Preferred stock, par value $ 0.001us-gaap_PreferredStockParOrStatedValuePerShare
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
$ 0.001us-gaap_PreferredStockParOrStatedValuePerShare
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
 
Preferred Stock, Liquidation Preference, Value $ 1,000,000us-gaap_PreferredStockLiquidationPreferenceValue
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
$ 1,000,000us-gaap_PreferredStockLiquidationPreferenceValue
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
$ 25,000,000us-gaap_PreferredStockLiquidationPreferenceValue
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
Preferred Stock Shares Authorized 40,000us-gaap_PreferredStockSharesAuthorized
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
40,000us-gaap_PreferredStockSharesAuthorized
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
 
Preferred Stock, Shares Issued 40,000us-gaap_PreferredStockSharesIssued
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
40,000us-gaap_PreferredStockSharesIssued
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
 
Preferred Stock Shares Outstanding 40,000us-gaap_PreferredStockSharesOutstanding
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
40,000us-gaap_PreferredStockSharesOutstanding
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
 
Series Preferred Stock [Member] | Parent Company [Member]      
Preferred stock, par value $ 0.001us-gaap_PreferredStockParOrStatedValuePerShare
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
$ 0.001us-gaap_PreferredStockParOrStatedValuePerShare
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
 
Preferred Stock, Liquidation Preference, Value $ 1,000,000us-gaap_PreferredStockLiquidationPreferenceValue
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
$ 1,000,000us-gaap_PreferredStockLiquidationPreferenceValue
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
 
Preferred Stock Shares Authorized 40,000us-gaap_PreferredStockSharesAuthorized
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
40,000us-gaap_PreferredStockSharesAuthorized
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
 
Preferred Stock, Shares Issued 40,000us-gaap_PreferredStockSharesIssued
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
40,000us-gaap_PreferredStockSharesIssued
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
 
Preferred Stock Shares Outstanding 40,000us-gaap_PreferredStockSharesOutstanding
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
40,000us-gaap_PreferredStockSharesOutstanding
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember