Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED BALANCE SHEETS (Parenthetical)

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CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Variable Interest Entity [Line Items]    
Cash and cash equivalents [1] $ 50,753 $ 13,583
Allowance for doubtful accounts-trade 261 1,196
Trade receivables, operating 33,306 33,840
Tax receivables 3,187 2,829
Receivables, other 2,343 1,623
Inventories, net 20,673 21,112
Prepaid expenses 1,807 1,203
Machinery, equipment and spares 37,487 41,375
Buildings and leasehold improvements 45,303 43,839
Furniture, fixtures, vehicles and other 21,832 26,001
Accumulated depreciation 317,967 299,028
Other assets 21,578 4,441
Accounts payable and accrued expenses 13,161 16,421
Accrued wages and benefits 9,267 8,264
Current portion of long-term debt 2,058 2,736
Accrued other taxes 1,268 1,810
Accrued contingencies 630 859
Other current liabilities 878 1,720
Long-term debt $ 160,217 $ 202,174
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized (in shares) 60,000,000 60,000,000
Common stock, shares outstanding (in shares) 21,765,404 21,319,150
Treasury shares (in shares) 156,737 215,141
Variable Interest Entity, Primary Beneficiary    
Variable Interest Entity [Line Items]    
Cash and cash equivalents $ 1,745 $ 1,699
Trade receivables, operating 5,565 5,854
Tax receivables 3,187 2,828
Receivables, other 340 257
Inventories, net 40 39
Prepaid expenses 10 40
Machinery, equipment and spares 750 1,512
Buildings and leasehold improvements 154 89
Furniture, fixtures, vehicles and other 471 350
Accumulated depreciation 485 487
Other assets 96 61
Accounts payable and accrued expenses 1,522 1,807
Accrued wages and benefits 1,429 1,397
Current portion of long-term debt 395 1,073
Accrued other taxes 500 600
Accrued contingencies 630 858
Other current liabilities 0 8
Long-term debt $ 0 $ 1,903
[1] Refer to footnote 5 for more detail on variable interest entities (“VIE”)