Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 42,711	$ 26,770
Accounts receivable, net of allowance for doubtful accounts of $3,830 and $4,880, respectively	202,406	193,186
Unbilled revenue	48,396	46,252
Other receivables	28,194	23,727
Inventories	34,977	55,715
Prepaid expenses	10,680	16,256
Other current assets	7,301	10,733
Total current assets	374,665	372,639
Property and equipment, net	37,224	82,933
Intangibles and other assets:
Goodwill	152,210	152,158
Intangible assets, net	7,714	9,828
Right of use assets, net	51,159
Deferred income taxes	2,182	1,195
Other non-current assets	4,129	2,976
Total intangibles and other assets	217,394	166,157
Total assets	629,283	621,729
Current liabilities:
Accounts payable	142,136	158,028
Accrued expenses	50,975	35,698
Deferred revenue	9,568	17,614
Other current liabilities	35,665	28,190
Total current liabilities	246,437	382,266
Lease liabilities	46,075
Deferred income taxes	8,053	7,605
Other long-term liabilities	1,138	50,903
Total liabilities	451,031	440,774
Commitments and contingencies
Stockholders' equity:
Common stock, par value $0.0001 per share, 200,000 and 200,000 shares authorized, 64,820 and 64,495 shares issued, 52,133 and 51,807 shares outstanding, respectively	6	6
Additional paid-in capital	245,311	239,960
Treasury stock at cost, 12,688 and 12,688 shares, respectively	(81,471)	(81,471)
Accumulated other comprehensive loss	(22,449)	(24,311)
Retained earnings	36,855	46,771
Total stockholders' equity	178,252	180,955
Total liabilities and stockholders' equity	629,283	621,729
Revolving Credit Facility | ABL Credit Agreement
Current liabilities:
Line of credit - current	593	142,736
Line of credit - non-current	60,086	0
Term Loan Facility
Current liabilities:
Line of credit - current	7,500
Line of credit - non-current	89,242
Term Loan Facility | Term Loan Credit Agreement
Current liabilities:
Line of credit - current	7,500	0
Line of credit - non-current	$ 89,242	$ 0