Note 16. Schedule of Stock Options Activity (Details) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2015 USD ($) $ / shares shares
Notes to Financial Statements
Options Outstanding, Beginning | shares	7,263
Number of Options Exercised | shares	(1,245)
Canceled or forfeited | shares	(800)
Options Outstanding, Ending | shares	5,218
Options Vested or expected to vest, Ending | shares	5,218
Options Exercisable, Ending | shares	5,218
Weighted Average Exercise Price Outstanding, Beginning | $ / shares	$ 275.08
Weighted Average Exercise Price Exercised | $ / shares	227.49
Weighted Average Exercise Price Cancelled or Forfeited | $ / shares	371.24
Weighted Average Exercise Price Outstanding, Ending | $ / shares	271.58
Weighted Average Exercise Price Options Vested or expected to vest, Ending | $ / shares	271.58
Weighted Average Exercise Price Exercisable, Ending | $ / shares	$ 271.58
Weighted Average Remaining Contractual Life, Options Outstanding, Ending	1 year 3 months 11 days
Weighted Average Remaining Contractual Life, Options Vested or expected to vest	1 year 3 months 11 days
Weighted Average Remaining Contractual Life (in years) Exercisable	1 year 3 months 11 days
Aggregate Intrinsic Value Options Outstanding, Ending | $	$ 365
Aggregate Intrinsic Value Options Vested or expected to vest, Ending | $	365
Aggregate Intrinsic Value Exercisable, Ending | $	$ 365