Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 130,834	$ 119,066
Restricted cash	2,783	2,259
Accounts receivable (Note 3)	117,202	67,842
Inventories	59,753	53,095
Inventories held for customer orders	56,974	52,308
Prepaid expenses and other current assets	25,487	30,657
Total current assets	393,033	325,227
Property, plant, and equipment, net	112,432	91,166
Other noncurrent assets	14,432	20,813
Total assets	519,897	437,206
Current liabilities:
Accounts payable and accrued expenses	149,285	112,281
Accrued warranty	25,873	19,912
Deferred revenue (Note 3)	74,255	69,568
Customer deposits and customer advances	8,663	1,390
Current maturities of long-term debt	38,511	33,403
Total current liabilities	296,587	236,554
Long-term debt, net of debt issuance costs and current maturities	89,852	89,752
Other noncurrent liabilities	4,222	4,393
Total liabilities	390,661	330,699
Commitments and contingencies (Note 10)
Shareholders’ equity: (Note 3)
Preferred shares, $0.01 par value, 5,500 shares authorized, no shares issued or outstanding at June 30, 2017 and December 31, 2016
Common shares, $0.01 par value, 100,000 shares authorized and 33,737 shares issued and outstanding at June 30, 2017 and December 31, 2016	337	337
Paid-in capital	297,653	292,833
Accumulated other comprehensive loss	(2,285)	(3,862)
Accumulated deficit	(166,469)	(182,801)
Total shareholders’ equity	129,236	106,507
Total liabilities and shareholders’ equity	$ 519,897	$ 437,206