Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Current assets
Cash	$ 14,482	$ 6,818
Accounts receivable (less allowance for doubtful accounts of $3,397 and $2,486 at December 31, 2016 and 2015, respectively)	128,466	103,198
Inventories	40,229	29,337
Other current assets	9,214	10,879
Total current assets	192,391	150,232
Property and equipment, net	67,788	57,592
Non-current assets
Goodwill	107,086	90,512
Intangibles, net	86,317	67,218
Other non-current assets	8,513	8,018
Total non-current assets	201,916	165,748
Total assets	462,095	373,572
Current liabilities
Current maturities of long-term debt	17,192	10,021
Current maturities of capital lease obligations	6,929	8,411
Accounts payable	67,921	50,867
Accrued compensation	18,212	14,488
Other current liabilities	19,851	13,635
Total current liabilities	130,105	97,422
Long-term debt	134,235	113,214
Capital lease obligations, less current maturities	8,364	12,031
Deferred income taxes	14,239	14,582
Other long-term liabilities	21,175	21,840
Total liabilities	308,118	259,089
Commitments and contingencies (Note 11)
Stockholders' equity
Preferred Stock; $0.01 par value: 5,000,000 authorized and 0 shares issued and outstanding at December 31, 2016 and 2015, respectively
Common Stock; $0.01 par value: 100,000,000 authorized, 32,135,176 and 31,982,888 issued and 31,484,774 and 31,366,328 shares outstanding at December 31, 2016 and 2015, respectively (Note 7)	321	320
Additional paid in capital	158,581	156,688
Retained earnings (accumulated deficit)	7,294	(31,142)
Treasury Stock; at cost: 650,402 and 616,560 shares at December 31, 2016 and 2015, respectively	(12,219)	(11,383)
Total stockholders' equity	153,977	114,483
Total liabilities and stockholders' equity	$ 462,095	$ 373,572