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11. Income Taxes (Details-Unrecognized Tax Benefits) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]
Unrecognized tax benefit - opening balance	$ 1,331	$ 2,405
Gross increases - tax positions in prior period	0	0
Gross decreases - tax positions in prior period	0	0
Gross increases - tax positions in current period	0	250
Settlements	(686)	(153)
Lapse of statute of limitations	(645)	(1,171)
Unrecognized tax benefit - ending balance	$ 0	$ 1,331

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Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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