|
Summary of Significant Accounting Policies (Details 2) (Customer concentration)
|
12 Months Ended |
|
Dec. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2011
|
|
Revenue | Customer A
|
|
|
|
| Concentration of Revenue and Accounts Receivable |
|
|
|
| Concentration risk percentage |
13.00% |
25.00% |
29.00% |
|
Revenue | Customer B
|
|
|
|
| Concentration of Revenue and Accounts Receivable |
|
|
|
| Concentration risk percentage |
17.00% |
28.00% |
17.00% |
|
Revenue | Customer C
|
|
|
|
| Concentration of Revenue and Accounts Receivable |
|
|
|
| Concentration risk percentage |
|
14.00% |
18.00% |
|
Revenue | Customer E
|
|
|
|
| Concentration of Revenue and Accounts Receivable |
|
|
|
| Concentration risk percentage |
12.00% |
|
0.00% |
|
Revenue | Customer F
|
|
|
|
| Concentration of Revenue and Accounts Receivable |
|
|
|
| Concentration risk percentage |
13.00% |
0.00% |
0.00% |
|
Accounts Receivable | Customer B
|
|
|
|
| Concentration of Revenue and Accounts Receivable |
|
|
|
| Concentration risk percentage |
13.00% |
25.00% |
|
|
Accounts Receivable | Customer C
|
|
|
|
| Concentration of Revenue and Accounts Receivable |
|
|
|
| Concentration risk percentage |
0.00% |
|
|
|
Accounts Receivable | Customer D
|
|
|
|
| Concentration of Revenue and Accounts Receivable |
|
|
|
| Concentration risk percentage |
15.00% |
12.00% |
|
|
Accounts Receivable | Customer E
|
|
|
|
| Concentration of Revenue and Accounts Receivable |
|
|
|
| Concentration risk percentage |
14.00% |
40.00% |
|
|
Accounts Receivable | Customer F
|
|
|
|
| Concentration of Revenue and Accounts Receivable |
|
|
|
| Concentration risk percentage |
41.00% |
0.00% |
|