|
Related Party Transactions (Details) (USD $)
|
3 Months Ended | ||
|---|---|---|---|
|
Mar. 31, 2014
|
Mar. 31, 2013
|
Dec. 31, 2013
|
|
| Related Party Transactions | |||
| Revenue from product sales | $ 868,000 | $ 1,088,000 | |
| Accounts receivable | 600,000 | 600,000 | |
|
Investors | Company 1
|
|||
| Related Party Transactions | |||
| Revenue from product sales | 707,000 | 558,000 | |
|
Investors | Company 2
|
|||
| Related Party Transactions | |||
| Revenue from product sales | 161,000 | 126,000 | |
|
Investors | Company 3
|
|||
| Related Party Transactions | |||
| Revenue from product sales | 285,000 | ||
|
Investors | Company 4
|
|||
| Related Party Transactions | |||
| Revenue from product sales | $ 119,000 | ||