Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Assets
Cash	$ 2,501	$ 852
Accounts receivable, net of allowance for doubtful accounts of $1,920 in 2017 and $2,087 in 2016	105,872	96,877
Rental equipment, at cost:
Relocatable modular buildings	775,400	769,190
Electronic test equipment	262,325	246,325
Liquid and solid containment tanks and boxes	309,808	308,542
Rental equipment, gross	1,347,533	1,324,057
Less accumulated depreciation	(485,213)	(467,686)
Rental equipment, net	862,320	856,371
Property, plant and equipment, net	119,170	112,190
Prepaid expenses and other assets	22,459	25,583
Intangible assets, net	7,724	8,595
Goodwill	27,808	27,808
Total assets	1,147,854	1,128,276
Liabilities:
Notes payable	303,414	326,266
Accounts payable and accrued liabilities	86,408	78,205
Deferred income	39,219	37,499
Deferred income taxes, net	194,629	292,019
Total liabilities	623,670	733,989
Commitments and contingencies (Note 7)
Shareholders’ equity:
Common Stock, no par value - Authorized 40,000 shares Issued and outstanding - 24,052 shares as of December 31, 2017 and 23,948 shares as of December 31, 2016	102,947	101,821
Retained earnings	421,405	292,521
Accumulated other comprehensive loss	(168)	(55)
Total shareholders’ equity	524,184	394,287
Total liabilities and shareholders’ equity	$ 1,147,854	$ 1,128,276