Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Current assets
Cash	$ 10,761	$ 4,065
Restricted cash		1,708
Accounts receivable (less allowance for doubtful accounts of $2,661 and $1,738 at December 31, 2014 and 2013, respectively)	72,280	58,826
Inventories	23,971	19,731
Deferred offering costs		5,156
Other current assets	12,276	6,026
Total current assets	119,288	95,512
Property and equipment, net	39,370	29,475
Non-current assets
Goodwill	53,393	49,328
Intangibles, net	17,718	13,400
Other non-current assets	4,393	3,355
Total non-current assets	75,504	66,083
Total assets	234,162	191,070
Current liabilities
Current maturities of long-term debt	1,786	255
Current maturities of capital lease obligations	9,374	7,663
Accounts payable	46,584	40,653
Accrued compensation	11,311	8,942
Other current liabilities	7,501	6,930
Total current liabilities	76,556	64,443
Long-term debt	25,070	27,771
Capital lease obligations, less current maturities	17,508	14,370
Put option - Redeemable Preferred Stock		490
Deferred income taxes	9,746	9,571
Other long-term liabilities	13,408	9,006
Total liabilities	142,288	125,651
Commitments and contingencies (Note 11)
Stockholder's equity (deficit)
Preferred stock value
Common stock value	319	162
Additional paid in capital	154,497
Accumulated deficit	(57,659)	(71,591)
Treasury Stock; at cost: 300,000 and 0 shares, respectively	(5,283)
Total stockholders' equity (deficit)	91,874	(71,429)
Total liabilities, redeemable instruments and stockholders' equity (deficit)	234,162	191,070
Redeemable Preferred Stock [Member]
Temporary Equity
Redeemable stock value		55,838
Stockholder's equity (deficit)
Total stockholders' equity (deficit)		55,838
Redeemable Common Stock [Member]
Temporary Equity
Redeemable stock value		81,010
Stockholder's equity (deficit)
Total stockholders' equity (deficit)		$ 81,010