Organization and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2016

Summary of Significant Accounting Policies

Schedule of reconciliation between basic common shares and fully diluted common shares

	Years Ended December 31,
	2016	2015	2014
	(in thousands)
Shares:
Weighted-average number of common shares outstanding	6,570	7,817	7,917
Dilutive and potentially dilutive common shares	144	170	224
Total shares	6,714	7,987	8,141

Schedule of fair value hierarchy of assets and liabilities measured on recurring basis

	Assets and (Liabilities) at Fair Value
	December 31, 2016
	Level 1		Level 2		Level 3		Total
	(in thousands)
Derivatives	$	—	$	69	$	—	$	69
Total	$	—	$	69	$	—	$	69

Schedule of fair value hierarchy of assets measured on nonrecurring basis and gain (losses) recorded

	Assets at Fair Value																Total Losses
	December 31, 2016								December 31, 2015								December 31,
	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total		2016		2015
	(in thousands)																(in thousands)
Equipment held for lease	$	—	$	1,196	$	—	$	1,196	$	—	$	2,154	$	—	$	2,154	$	(3,674)	$	(2,536)
Equipment held for sale		—		8,976		—		8,976		—		4,931		—		4,931		(5,365)		(6,645)
Spare parts inventory		—		1,538		—		1,538		—		—		—		—		(475)		—
Total	$	—	$	11,710	$	—	$	11,710	$	—	$	7,085	$	—	$	7,085	$	(9,514)	$	(9,181)