Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 12,001	$ 10,282
Accounts receivable - net (Note 5)	98,684	86,123
Inventories - net (Note 6)	134,448	124,504
Other current assets	6,990	5,763
Total current assets	252,123	226,672
Property, plant, and equipment - net (Note 7)	84,441	86,857
Operating lease right-of-use assets - net (Note 8)	13,235
Other assets:
Goodwill (Note 4)	19,219	19,258
Other intangibles - net (Note 4)	46,437	49,836
Other assets	1,355	626
TOTAL ASSETS	416,810	383,249
Current liabilities:
Accounts payable	78,538	78,269
Deferred revenue	8,543	6,619
Accrued payroll and employee benefits	10,538	12,993
Accrued warranty (Note 14)	1,678	2,057
Current portion of accrued settlement (Note 14)	8,000	10,000
Current maturities of long-term debt (Note 9)	3,142	629
Other accrued liabilities	13,126	13,624
Total current liabilities	123,565	124,191
Long-term debt (Note 9)	87,973	74,353
Deferred tax liabilities (Note 15)	4,884	5,287
Long-term portion of accrued settlement (Note 14)	38,000	40,000
Long-term operating lease liabilities (Note 8)	9,901	0
Other long-term liabilities	16,266	17,299
Stockholders' equity:
Common stock, par value $0.01, authorized 20,000,000 shares; shares issued at June 30, 2019 and December 31, 2018, 11,115,779; shares outstanding at June 30, 2019 and December 31, 2018, 10,420,092 and 10,366,007, respectively	111	111
Paid-in capital	48,159	48,040
Retained earnings	128,211	114,324
Treasury stock - at cost, 695,687 and 749,772 common stock shares at June 30, 2019 and December 31, 2018, respectively	(16,841)	(18,165)
Accumulated other comprehensive loss	(23,419)	(22,191)
Total stockholders' equity	136,221	122,119
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 416,810	$ 383,249