CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Cash flows from operating activities
Consolidated net income (loss)	$ 8,731	$ 4,954	$ (31,534)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	9,182	8,066	7,441
Amortization of debt discount and debt issuance costs	1,728	1,886	1,064
Provision for allowances	4,034	1,779	1,016
Deferred income tax benefit	(5,322)	(1,544)	(857)
(Gain) loss on derivative liability	(5,805)	9,901	16,671
Acquisition-related contingent consideration	769	0	0
Impairment charges	24,311	2,100	10,000
Loss on early extinguishment of debt	1,568	0	0
Equity compensation	3,379	2,460	1,387
Other noncash costs, including loss on sale of business	6	2,204	114
Changes in operating assets and liabilities:
Accounts receivable	(30,781)	(28,708)	(16,119)
Prepaid expenses and other assets	(1,882)	2,663	1,371
Income taxes	(497)	375	58
Accounts payable and accrued expenses	20,370	11,213	5,654
Other liabilities	354	886	(338)
Net cash provided by (used in) operating activities	30,145	18,235	(4,072)
Cash flows from investing activities
Proceeds from sale of business	500	7,500	3,750
Acquisitions, net of cash acquired	(1,900)	(28,721)	(44,631)
Acquisition-related settlements - Medical Staffing Network	(2,155)	(149)	0
Acquisition-related settlements - Mediscan	297	0	0
Transaction costs related to sale of business	0	(338)	0
Purchases of property and equipment	(6,522)	(2,362)	(4,571)
Net cash used in investing activities	(9,780)	(24,070)	(45,452)
Cash flows from financing activities
Proceeds from borrowing on Senior Credit Facility	40,000	0	0
Debt issuance costs	(1,182)	0	(1,093)
Principal payment on Senior Credit Facility	(500)	0	0
Principal payments on Second Lien Term Loan	(30,000)	0	0
Extinguishment fees	(641)	0	0
Borrowings under Senior Secured Asset-Based revolving credit facility	59,800	64,100	61,205
Repayments on Senior Secured Asset-Based revolving credit facility	(67,800)	(59,600)	(66,105)
Proceeds from borrowing on Second Lien Term Loan	0	0	28,875
Proceeds from borrowing on Convertible Note	0	0	24,063
Repayments of capital lease obligations	(71)	(108)	(122)
Cash paid for shares withheld for taxes	(917)	(543)	(245)
Payment of contingent consideration	(152)	0	0
Cash payments to noncontrolling shareholder	(701)	(494)	(119)
Net cash (used in) provided by financing activities	(2,164)	3,355	46,459
Effect of exchange rate changes on cash	(24)	(62)	5
Change in cash and cash equivalents	18,177	(2,542)	(3,060)
Cash and cash equivalents at beginning of year	2,453	4,995	8,055
Cash and cash equivalents at end of year	20,630	2,453	4,995
Supplemental disclosure of cash flow information:
Interest paid	3,893	5,052	2,512
Income taxes paid	$ 1,773	$ 1,035	$ 1,374