|
The significant components of foreign deferred income tax expense (benefit) (Details) (USD $)
|
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2011
|
|
| The significant components of foreign deferred income tax expense (benefit) | |||
| Deferred tax expense (benefit) | $ 1,406,000 | $ (1,041,000) | $ (1,268,000) |
| Net operating loss carryforward expired (generated) | (15,000) | (79,000) | 496,000 |
| Valuation allowance (decrease) increase | (1,391,000) | 1,120,000 | 772,000 |
| Provision for Income taxes | $ 0 | $ 0 | $ 0 |