CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 17,248	$ 20,353
Accounts receivable, net of allowance for doubtful accounts of $2,882 and $967, respectively	33,684	60,855
Inventories	59,760	53,728
Prepaid expenses and other	8,419	9,417
Total current assets	119,111	144,353
Property, plant and equipment	175,832	174,741
Less - accumulated depreciation	(69,379)	(66,507)
Property, plant and equipment, net	106,453	108,234
Purchased intangible assets, net	4,784	5,880
Deferred tax assets	4,157	3,836
Other assets	17,512	15,118
Total assets	252,017	277,421
Current liabilities:
Accounts payable	21,473	34,758
Accrued expenses	5,780	6,903
Dividend payable	0	1,866
Accrued income taxes	5,727	9,651
Accrued employee compensation and benefits	6,714	10,668
Contract liabilities	5,226	2,736
Current portion of long-term debt	3,125	3,125
Other current liabilities	1,846	1,716
Total current liabilities	49,891	71,423
Long-term debt	9,595	11,147
Deferred tax liabilities	2,747	3,786
Other long-term liabilities	19,501	18,924
Total liabilities	81,734	105,280
Commitments and contingencies (Note 11)
Stockholders’ equity
Preferred stock, $0.05 par value; 4,000,000 shares authorized; no issued and outstanding shares	0	0
Common stock, $0.05 par value; 25,000,000 shares authorized; 14,769,310 and 14,652,675 shares outstanding, respectively	765	756
Additional paid-in capital	88,501	85,639
Retained earnings	115,576	119,002
Other cumulative comprehensive loss	(26,038)	(25,803)
Treasury stock, at cost, and company stock held for deferred compensation, at par; 527,981 and 464,532 shares, respectively	(8,521)	(7,453)
Total stockholders’ equity	170,283	172,141
Total liabilities and stockholders’ equity	$ 252,017	$ 277,421