|
BALANCE SHEETS (Parenthetical) (USD $)
In Thousands, unless otherwise specified |
Jun. 30, 2012
|
Dec. 31, 2011
|
|---|---|---|
| Accounts receivable, allowance for doubtful accounts | $ 0 | $ 22 |
| Investments in equipment and leases, accumulated depreciation | $ 35,534 | $ 35,098 |