Short-term Loans (Details) (USD $)

9 Months Ended

Sep. 30, 2012

Dec. 31, 2011

Short-term loans

$ 28,277,739

$ 26,405,343

STL Loan 1

Short-term Debt, Lender

Bank of Communication Tianjin Branch ("BOCTB")

Short-term Debt, Terms

Bank of Communication Tianjin Branch ("BOCTB"), due from July 4, 2011 to July 3, 2012 with benchmark interest rate plus 5%, guaranteed by TCBGCL - related party

Short-term loans

0

3,142,332

STL Loan 2

Short-term Debt, Lender

BOCTB

Short-term Debt, Terms

BOCTB, due from June 20, 2011 to June 16, 2012 with benchmark interest rate plus 5%, guaranteed by TCBGCL - related party

Short-term loans

0

3,142,332

STL Loan 3

Short-term Debt, Lender

BOCTB

Short-term Debt, Terms

BOCTB, due from June 14, 2011 to June 13, 2012 with benchmark interest rate plus 5%, guaranteed by TCBGCL - related party 

Short-term loans

0

3,079,485

STL Loan 4

Short-term Debt, Lender

BOCTB

Short-term Debt, Terms

BOCTB, due from August 18, 2011 to August 17, 2012, with benchmark interest rate plus 5%, mortgaged by fixed assets 

Short-term loans

0

3,142,332

STL Loan 5

Short-term Debt, Lender

BOCTB

Short-term Debt, Terms

BOCTB, due from August 3, 2011 to August 1, 2012 with benchmark interest rate plus 5%, guaranteed by TCBGCL - related party 

Short-term loans

0

4,713,498

STL Loan 6

Short-term Debt, Lender

BOCTB

Short-term Debt, Terms

BOCTB, due from June 14, 2012 to June 13, 2013 benchmark interest rate plus 5%, guaranteed by TCBGCL - related party 

Short-term loans

6,330,116

0

STL Loan 7

Short-term Debt, Lender

BOCTB

Short-term Debt, Terms

BOCTB, due from July 19, 2012 to July 18, 2013 benchmark interest rate plus 5%, guaranteed by TCBGCL - related party

Short-term loans

3,165,058

0

STL Loan 8

Short-term Debt, Lender

BOCTB

Short-term Debt, Terms

BOCTB, due from July 26, 2012 to July 25, 2013 benchmark interest rate plus 5%, guaranteed by TCBGCL - related party

Short-term loans

4,747,587

0

STL Loan 9

Short-term Debt, Lender

BOCTB

Short-term Debt, Terms

BOCTB, due from September 3, 2012 to September 2, 2013 benchmark interest rate plus 5%, guaranteed by TCBGCL - related party

Short-term loans

3,006,805

0

STL Loan 10

Short-term Debt, Lender

China Merchant Bank Tianjin branch

Short-term Debt, Terms

China Merchant Bank Tianjin branch, due from July 29, 2011 to January 28, 2012, interest at 7.93%, mortgaged by bank notes of $785,583 (RMB5,000,000); repaid in full on January 28, 2012

Short-term loans

0

754,160

STL Loan 11

Short-term Debt, Lender

Key Network Holdings Limited

Short-term Debt, Terms

Key Network Holdings Limited, due on demand with interest at 6%.

Short-term loans

715,064

715,064

STL Loan 12

Short-term Debt, Lender

JP Morgan Chase

Short-term Debt, Terms

JP Morgan Chase credit line for $1.3 million secured by certificate of deposit from Portables Unlimited, Inc. (the 49.9% owner of Portables) due from September 1, 2011 - August 31, 2012, at Libor plus 2.95%

Short-term loans

525,000

854,469

STL Loan 13

Short-term Debt, Lender

HSBC

Short-term Debt, Terms

HSBC, due on demand with interest at 7.25% 

Short-term loans

0

48,146

STL Loan 14

Short-term Debt, Lender

Bank of Tianjin Laolian Branch

Short-term Debt, Terms

Bank of Tianjin Laolian Branch, due January 9, 2013 with benchmark interest rate plus 5''%, guaranteed by Tianjin Zhonghuan Electronic Information Group Ltd. ("Electronic")

Short-term loans

3,165,058

0

STL Loan 15

Short-term Debt, Lender

Bank of Tianjin Laolian Branch

Short-term Debt, Terms

Bank of Tianjin Laolian Branch, due from June 24, 2011 to June 22, 2012 with interest at 6.941%, guaranteed by Tianjin Zhonghuan Electronic Information Group Ltd. ("Electronic")

Short-term loans

0

1,995,381

STL Loan 16

Short-term Debt, Lender

Bank of Tianjin Laolian Branch

Short-term Debt, Terms

Bank of Tianjin Laolian Branch, due from June 24, 2011 to June 22, 2012 with interest at 6.941%, guaranteed by Electronic

Short-term loans

0

628,466

STL Loan 17

Short-term Debt, Lender

Bank of Tianjin Laolian Branch

Short-term Debt, Terms

Bank of Tianjin Laolian Branch, due from June 27, 2011 to June 22, 2012 with interest at 6.941%, guaranteed by Electronic

Short-term loans

0

157,117

STL Loan 18

Short-term Debt, Lender

Bank of Tianjin Laolian Branch

Short-term Debt, Terms

Bank of Tianjin Laolian Branch, due from June 28, 2011 to June 22, 2012 with interest at 6.941%, guaranteed by Electronic

Short-term loans

0

361,368

STL Loan 19

Short-term Debt, Lender

Shanghai Pudong Development Bank Pucheng Branch

Short-term Debt, Terms

Shanghai Pudong Development Bank Pucheng Branch, due from November 1, 2011 to November 1, 2012 with interest at 7.216%, guaranteed by Tianjin Loan Guaranty Company, price is 1.2% of total principal, shall pay off within 5 days

after all principal are paid off (a)

Short-term loans

1,582,529

^[1]

1,571,166

STL Loan 20

Short-term Debt, Lender

North International Trust Company

Short-term Debt, Terms

North International Trust Company, due from April 12, 2012 to April 12, 2013 with interest at 11.5%, guaranteed by Tianjin Loan Guaranty Company

Short-term loans

1,582,529

0

STL Loan 26

Short-term Debt, Lender

HSBC Suzhou Branch

Short-term Debt, Terms

HSBC Suzhou Branch, due from August 15, 2011 to January 12, 2012 with interest at SIBOR plus 4.0%, guaranteed by tangible assets of the Company (a)

Short-term loans

0

1,000,000

STL Loan 21

Short-term Debt, Lender

HSBC Suzhou Branch

Short-term Debt, Terms

HSBC Suzhou Branch, due from April 27, 2012 to January 12, 2013 with interest at SIBOR plus 4.0%, guaranteed by the Company (a)

Short-term loans

600,000

^[1]

0

STL Loan 22

Short-term Debt, Lender

Beijing Bank Zhongguancun Haidianyuan Sub-branch

Short-term Debt, Terms

Beijing Bank Zhongguancun Haidianyuan Sub-branch, due March 14, 2012 with interest at 6.67%, guaranteed by TCB Digital; repaid in full on March 14, 2012

Short-term loans

0

235,675

STL Loan 23

Short-term Debt, Lender

Beijing Bank Zhongguancun Haidianyuan Sub-branch

Short-term Debt, Terms

Beijing Bank Zhongguancun Haidianyuan Sub-branch, due March 14, 2012 with interest at 6.67%, guaranteed by TCB Digital; repaid in full on March 14, 2012

Short-term loans

0

314,233

STL Loan 24

Short-term Debt, Lender

Beijing Bank Zhongguancun Haidianyuan Sub-branch

Short-term Debt, Terms

Beijing Bank Zhongguancun Haidianyuan Sub-branch, due March 14, 2012 with interest at 6.67%, guaranteed by TCB Digital; repaid in full on March 12, 2012

Short-term loans

0

534,196

STL Loan 25

Short-term Debt, Lender

JP Morgan Chase

Short-term Debt, Terms

JP Morgan Chase - Bank Overdraft Account; Due on Demand

Short-term loans

0

15,923

STL Loan 27

Short-term Debt, Lender

HSBC Hong Kong

Short-term Debt, Terms

HSBC Hong Kong; 0.52% flat rate per month, Corporate Guarantee

Short-term loans

7,995

0

STL Loan 28

Short-term Debt, Lender

M&T Bank

Short-term Debt, Terms

M&T Bank line of credit for up to $3.0 million is collateralized by real property, a certificate of deposit, and guarantees
of Portables Unlimited, Inc. (the 49.9% owner of Portables); due March 26, 2015, at 1 month LIBOR plus 3.00%.

Short-term loans

$ 2,849,999

$ 0

[1] The loan was repaid in full subsequent to September 30, 2012.