Income Taxes - Summary of the components of net deferred tax balances (Details) - USD ($) $ in Thousands |
Dec. 31, 2020 |
Dec. 31, 2019 |
| Deferred income tax assets: |
|
|
| Net operating loss carryforward (NOL) |
$ 152,423
|
$ 133,564
|
| Unpaid claim reserve discounting |
335
|
269
|
| Start-up costs amortization |
408
|
464
|
| Charitable contributions carryforward |
154
|
146
|
| Bonus accrual |
52
|
52
|
| Stock based compensation |
2,568
|
1,554
|
| Convertible securities issuance costs |
1
|
1
|
| Tax credits (AMT) |
0
|
2
|
| Prepaid and accrued expenses |
568
|
683
|
| Property and equipment |
1,318
|
1,779
|
| Capital loss carryforward |
0
|
49
|
| Operating lease liability |
2,340
|
3,109
|
| Premium deficiency reserve |
0
|
3,597
|
| Acquisition costs amortization |
60
|
66
|
| Interest expense carryforward |
2,318
|
1,675
|
| Bad debt reserves |
2,363
|
0
|
| Total deferred income tax assets |
164,908
|
147,010
|
| Less: valuation allowance |
(163,204)
|
(144,619)
|
| Total deferred income tax assets, net of valuation allowance |
1,704
|
2,391
|
| Deferred income tax liabilities: |
|
|
| TCJA Transition Adj. IRC 846 |
(49)
|
(58)
|
| Market discount |
0
|
(1)
|
| Operating lease right of use asset |
(1,655)
|
(2,330)
|
| Total deferred income tax liabilities |
(1,704)
|
(2,389)
|
| Net deferred income tax asset |
$ 0
|
$ 2
|