Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Current Assets:
Cash and cash equivalents	$ 30,514	$ 18,664
Accounts receivable, net	66,882	48,039
Inventories	34,524	28,546
Prepaid expenses and other assets	16,878	10,400
Total current assets	148,798	105,649
Property, plant and equipment, net	103,110	103,286
Goodwill and other intangibles	71,319	10,523
Other assets	3,000	1,972
Total Assets	326,227	221,430
Current Liabilities:
Accounts payable	9,953	10,767
Accrued expenses and other liabilities	46,266	34,693
Accrued warranty	6,290	5,925
Line of Credit	0	0
Total current liabilities	62,509	51,385
Deferred income taxes	1,286	894
Non-current accrued warranty	28,709	31,767
Other long-term liabilities	2,473	3,223
Total Liabilities	94,977	87,269
Commitments and contingencies
Stockholders' Equity:
Preferred stock, $0.01 par value, 3,000,000 shares authorized; none issued and outstanding
Common stock, $0.01 par value, 80,000,000 shares authorized; 34,922,111 and 34,894,233 shares issued and 29,428,430 and 29,400,552 shares outstanding at December 31, 2017 and 2016, respectively	349	349
Additional paid-in capital	122,043	120,082
Retained earnings	282,370	187,242
Treasury stock, at cost, 5,493,681 shares at December 31, 2017 and 2016, respectively	(173,512)	(173,512)
Total Stockholders' Equity	231,250	134,161
Total Liabilities and Stockholders' Equity	$ 326,227	$ 221,430