Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 30,775	$ 42,711
Accounts receivable, net of allowance for doubtful accounts of $2,758 and $3,830, respectively	181,604	202,406
Unbilled revenue	43,773	48,396
Inventories	34,795	34,977
Prepaid expenses	13,623	10,680
Other current assets	35,617	35,495
Total current assets	340,187	374,665
Property and equipment, net	36,671	37,224
Intangibles and other assets:
Goodwill	144,925	152,210
Intangible assets, net	7,193	7,714
Right of use assets, net	48,284	51,159
Deferred income taxes	2,182	2,182
Other non-current assets	3,864	4,129
Total intangibles and other assets	206,448	217,394
Total assets	583,306	629,283
Current liabilities:
Accounts payable	123,519	142,136
Accrued expenses	46,137	50,975
Deferred revenue	9,495	9,568
Other current liabilities	29,059	35,665
Total current liabilities	217,029	246,437
Lease liabilities	44,314	46,075
Deferred income taxes	8,053	8,053
Other long-term liabilities	504	1,138
Total liabilities	411,415	451,031
Commitments and contingencies
Stockholders' equity:
Common stock, par value $0.0001 per share, 200,000 shares authorized, 64,831 and 64,820 shares issued, and 52,143 and 52,133 shares outstanding, respectively	6	6
Additional paid-in capital	246,769	245,311
Treasury stock at cost, 12,688 and 12,688 shares, respectively	(81,471)	(81,471)
Accumulated other comprehensive loss	(27,545)	(22,449)
Retained earnings	34,132	36,855
Total stockholders' equity	171,891	178,252
Total liabilities and stockholders' equity	583,306	629,283
Term loan facility
Current liabilities:
Line of credit, current	8,750
Line of credit, non-current	81,762
ABL Credit Agreement | Revolving credit facility
Current liabilities:
Line of credit, current	69	593
Line of credit, non-current	59,753	60,086
Term Loan Credit Agreement | Term loan facility
Current liabilities:
Line of credit, current	8,750	7,500
Line of credit, non-current	$ 81,762	$ 89,242