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SALES SERVICE REVENUE, NET AND ACCOUNTS RECEIVABLE (Tables) | 3 Months Ended
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Mar. 31, 2019
SALES SERVICE REVENUE, NET AND ACCOUNTS RECEIVABLE [Abstract] |
Schedule of Net Revenues |
|  | For the Three Months Ended March 31,
(dollars in thousands) |  | Diagnostic Testing |  | Biomarker Testing |  | Total
|  | 2019 |  | 2018 |  | 2019 |  | 2018 |  | 2019 |  | 2018
Medicaid |  | $ | 3 |  | $ | 12 |  | $ | — |  | $ | — |  | $ | 3 |  | $ | 12
Medicare |  |  | 394 |  |  | 134 |  |  | — |  |  | — |  |  | 394 |  |  | 134
Self-pay |  |  | 4 |  |  | 26 |  |  | — |  |  | — |  |  | 4 |  |  | 26
Third party payers |  |  | 356 |  |  | 131 |  |  | — |  |  | — |  |  | 356 |  |  | 131
Contract diagnostics |  |  | — |  |  | — |  |  | 153 |  |  | 488 |  |  | 153 |  |  | 488
Service revenue, net |  | $ | 757 |  | $ | 303 |  | $ | 153 |  | $ | 488 |  | $ | 910 |  | $ | 791
Schedule of Gross to Net Sales Adjustments |
|  | For the Three Months Ended March 31,
(dollars in thousands) |  |  |  | Contractual Allowances and |  | Revenues, net of Contractual
|  | Gross Revenues |  | adjustments |  | Allowances and adjustments
|  | 2019 |  | 2018 |  | 2019 |  | 2018 |  | 2019 |  | 2018
Medicaid |  | $ | 3 |  | $ | 15 |  | $ | — |  | $ | (3) |  | $ | 3 |  | $ | 12
Medicare |  |  | 394 |  |  | 137 |  |  | — |  |  | (3) |  |  | 394 |  |  | 134
Self-pay |  |  | 4 |  |  | 26 |  |  | — |  |  | — |  |  | 4 |  |  | 26
Third party payers |  |  | 1,017 |  |  | 317 |  |  | (661) |  |  | (186) |  |  | 356 |  |  | 131
Contract diagnostics |  |  | 153 |  |  | 488 |  |  | — |  |  | — |  |  | 153 |  |  | 488
|  |  | 1,571 |  |  | 983 |  |  | (661) |  |  | (192) |  |  | 910 |  |  | 791
Clinical research grants and other |  |  | 7 |  |  | 5 |  |  | — |  |  | — |  |  | 7 |  |  | 5
|  | $ | 1,578 |  | $ | 988 |  | $ | (661) |  | $ | (192) |  | $ | 917 |  | $ | 796
Schedule of Reported Revenues Net of Collection Allowance [Table Text Block] |
|  | For the Three Months Ended March 31,
|  | Revenues, net of |  |  |  |
(dollars in thousands) |  | Contractual Allowances |  | Allowances for doubtful |  |
|  | and adjustments |  | accounts |  | Total
|  | 2019 |  | 2018 |  | 2019 |  | 2018 |  | 2019 |  | 2018
Medicaid |  | $ | 3 |  | $ | 12 |  | $ | (3) |  | $ | (11) |  | $ | — |  | $ | 1
Medicare |  |  | 394 |  |  | 134 |  |  | (59) |  |  | (20) |  |  | 335 |  |  | 114
Self-pay |  |  | 4 |  |  | 26 |  |  | — |  |  | — |  |  | 4 |  |  | 26
Third party payers |  |  | 356 |  |  | 131 |  |  | (142) |  |  | (53) |  |  | 214 |  |  | 78
Contract diagnostics |  |  | 153 |  |  | 488 |  |  | — |  |  | — |  |  | 153 |  |  | 488
|  |  | 910 |  |  | 791 |  |  | (204) |  |  | (84) |  |  | 706 |  |  | 707
Clinical research grants and other |  |  | 7 |  |  | 5 |  |  | — |  |  | — |  |  | 7 |  |  | 5
|  | $ | 917 |  | $ | 796 |  | $ | (204) |  | $ | (84) |  | $ | 713 |  | $ | 712
Schedule of Receivables |
(dollars in thousands) |  | March 31, 2019 |  | December 31, 2018
Medicaid |  | $ | 81 |  | $ | 82
Medicare |  |  | 782 |  |  | 633
Self-pay |  |  | 106 |  |  | 108
Third party payers |  |  | 1,540 |  |  | 1,382
Contract diagnostic services |  |  | 204 |  |  | 193
Other |  |  | — |  |  | —
|  | $ | 2,713 |  | $ | 2,398
Less allowance for doubtful accounts |  |  | (1,912) |  |  | (1,708)
Accounts receivable, net |  | $ | 801 |  | $ | 690
Schedule of Allowance for Doubtful Accounts |
|  |  |  |  | Allowance for
|  |  |  |  | Doubtful
(dollars in thousands) |  |  |  |  | Accounts
Balance, January 1, 2019 |  |  |  |  | $ | (1,708)
Collection Allowance: |  |  |  |  |  |
Medicaid |  | $ | (3) |  |  |
Medicare |  |  | (59) |  |  |
Third party payers |  |  | (142) |  |  |
Service revenue, net |  |  | (204) |  |  |
Bad debt expense |  | $ | — |  |  |
Total charges |  |  |  |  |  | (204)
Balance, March 31, 2019 |  |  |  |  | $ | (1,912)

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