Organization and Description of Business - Narrative (Details)		9 Months Ended
	Aug. 31, 2018 shares	Sep. 30, 2019 USD ($) segment	Jan. 01, 2019 USD ($)	Dec. 31, 2018 USD ($)
Business Acquisition, Equity Interests Issued or Issuable [Line Items]
Number of operating segments | segment		1
Estimated liability for appeals		$ 369,000		$ 210,000
Allowance for doubtful accounts		180,000		22,000
Contract assets		1,200,000		0
Contract liabilities		1,600,000		1,100,000
Prepaid expenses and other current assets		3,615,000		3,420,000
Prepaid expense and other assets, prepaid software licenses and maintenance agreement		2,300,000		2,100,000
Prepaid expense and other assets, prepaid insurance		100,000		700,000
Goodwill		81,572,000		81,572,000
Impairment of goodwill and intangible assets		0
Accounts payable		2,600,000		2,800,000
Accrued subcontractor fees		300,000		400,000
Estimated workers' compensation claims incurred but not yet reported		300,000		200,000
Other prepaid expense		1,200,000		600,000
ROU assets		8,413,000	$ 10,400,000	$ 0
Lease Liabilities		$ 9,503,000	11,600,000
Deferred Rent Credit			$ 1,200,000
Earn out shares issuable period		5 years
Premiere Credit of North America
Business Acquisition, Equity Interests Issued or Issuable [Line Items]
Issuance of shares (in shares) | shares	1,000,000