| Schedule of Segment Reporting Information | 
 The
table below presents certain financial information of our operating segments for the three and six months ended June 30, 2019
and 2018 (in thousands). 
  
    | Segment
    Reporting for the Quarter Ended June 30, 2019 | 
 
    |   | 
  | 
    Treatment | 
  | 
  | 
    Services | 
  | 
  | 
    Medical | 
  | 
  | 
    Segments
     Total | 
  | 
  | 
    Corporate(1) | 
  | 
  | 
    Consolidated
     Total | 
  | 
 
    | Revenue
    from external customers | 
  | 
    $ | 
10,094 | 
  | 
  | 
    $ | 
7,041 | 
  | 
  | 
      | 
— | 
  | 
  | 
    $ | 
17,135 | 
  | 
  | 
    $ | 
— | 
  | 
  | 
    $ | 
17,135 | 
  | 
 
    | Intercompany
    revenues | 
  | 
      | 
7 | 
  | 
  | 
      | 
42 | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
49 | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
— | 
  | 
 
    | Gross
    profit | 
  | 
      | 
2,627 | 
  | 
  | 
      | 
644 | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
3,271 | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
3,271 | 
  | 
 
    | Research
    and development | 
  | 
      | 
136 | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
80 | 
  | 
  | 
      | 
216 | 
  | 
  | 
      | 
7 | 
  | 
  | 
      | 
223 | 
  | 
 
    | Interest
    income | 
  | 
      | 
— | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
107 | 
  | 
  | 
      | 
107 | 
  | 
 
    | Interest
    expense | 
  | 
      | 
(30 | 
) | 
  | 
      | 
(4 | 
) | 
  | 
      | 
— | 
  | 
  | 
      | 
(34 | 
) | 
  | 
      | 
(73 | 
) | 
  | 
      | 
(107 | 
) | 
 
    | Interest
    expense-financing fees | 
  | 
      | 
— | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
(60 | 
) | 
  | 
      | 
(60 | 
) | 
 
    | Depreciation
    and amortization | 
  | 
      | 
233 | 
  | 
  | 
      | 
79 | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
312 | 
  | 
  | 
      | 
5 | 
  | 
  | 
      | 
317 | 
  | 
 
    | Segment
    income (loss) before income taxes | 
  | 
      | 
1,611 | 
  | 
  | 
      | 
137 | 
  | 
  | 
      | 
(80 | 
) | 
  | 
      | 
1,668 | 
  | 
  | 
      | 
(1,289 | 
) | 
  | 
      | 
379 | 
  | 
 
    | Income
    tax expense | 
  | 
      | 
6 | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
6 | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
6 | 
  | 
 
    | Segment
    income (loss) | 
  | 
      | 
1,605 | 
  | 
  | 
      | 
137 | 
  | 
  | 
      | 
(80 | 
) | 
  | 
      | 
1,662 | 
  | 
  | 
      | 
(1,289 | 
) | 
  | 
      | 
373 | 
  | 
 
    | Expenditures
    for segment assets | 
  | 
      | 
73 | 
  | 
  | 
      | 
15 | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
88 | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
88 | 
  | 
 
 
  
    | Segment
    Reporting for the Quarter Ended June 30, 2018 | 
 
    |   | 
  | 
    Treatment | 
  | 
  | 
    Services | 
  | 
  | 
    Medical | 
  | 
  | 
    Segments
     Total | 
  | 
  | 
    Corporate(1) | 
  | 
  | 
    Consolidated
     Total | 
  | 
 
    | Revenue
    from external customers | 
  | 
    $ | 
9,146 | 
  | 
  | 
    $ | 
4,014 | 
  | 
  | 
      | 
— | 
  | 
  | 
    $ | 
13,160 | 
  | 
  | 
    $ | 
—
                                          | 
  | 
  | 
    $ | 
13,160 | 
  | 
 
    | Intercompany
    revenues | 
  | 
      | 
77 | 
  | 
  | 
      | 
26 | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
103 | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
— | 
  | 
 
    | Gross
    profit | 
  | 
      | 
1,523 | 
  | 
  | 
      | 
520 | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
2,043 | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
2,043 | 
  | 
 
    | Research
    and development | 
  | 
      | 
115 | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
71 | 
  | 
  | 
      | 
186 | 
  | 
  | 
      | 
33 | 
  | 
  | 
      | 
219 | 
  | 
 
    | Interest
    income | 
  | 
      | 
— | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
81 | 
  | 
  | 
      | 
81 | 
  | 
 
    | Interest
    expense | 
  | 
      | 
(8 | 
) | 
  | 
      | 
— | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
(8 | 
) | 
  | 
      | 
(54 | 
) | 
  | 
      | 
(62 | 
) | 
 
    | Interest
    expense-financing fees | 
  | 
      | 
— | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
(9 | 
) | 
  | 
      | 
(9 | 
) | 
 
    | Depreciation
    and amortization | 
  | 
      | 
227 | 
  | 
  | 
      | 
123 | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
350 | 
  | 
  | 
      | 
9 | 
  | 
  | 
      | 
359 | 
  | 
 
    | Segment
    income (loss) before income taxes | 
  | 
      | 
2,028 | 
(2) | 
  | 
      | 
116 | 
  | 
  | 
      | 
(71 | 
) | 
  | 
      | 
2,073 | 
  | 
  | 
      | 
(1,266 | 
) | 
  | 
      | 
807 | 
  | 
 
    | Income
    tax expense | 
  | 
      | 
14 | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
14 | 
  | 
  | 
      | 
5 | 
  | 
  | 
      | 
19 | 
  | 
 
    | Segment
    income (loss) | 
  | 
      | 
2,014 | 
  | 
  | 
      | 
116 | 
  | 
  | 
      | 
(71 | 
) | 
  | 
      | 
2,059 | 
  | 
  | 
      | 
(1,271 | 
) | 
  | 
      | 
788 | 
  | 
 
    | Expenditures
    for segment assets | 
  | 
      | 
271 | 
  | 
  | 
      | 
35 | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
306 | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
306 | 
  | 
 
 
  
    | Segment
    Reporting for the Six Months Ended June 30, 2019 | 
 
    |   | 
  | 
    Treatment | 
  | 
  | 
    Services | 
  | 
  | 
    Medical | 
  | 
  | 
    Segments
    Total | 
  | 
  | 
    Corporate(1) | 
  | 
  | 
    Consolidated
     Total | 
  | 
 
    | Revenue
    from external customers | 
  | 
    $ | 
19,999 | 
  | 
  | 
    $ | 
8,844 | 
  | 
  | 
      | 
— | 
  | 
  | 
    $ | 
28,843 | 
  | 
  | 
    $ | 
— | 
  | 
  | 
    $ | 
28,843 | 
  | 
 
    | Intercompany
    revenues | 
  | 
      | 
9 | 
  | 
  | 
      | 
63 | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
72 | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
— | 
  | 
 
    | Gross
    profit | 
  | 
      | 
5,584 | 
  | 
  | 
      | 
188 | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
5,772 | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
5,772 | 
  | 
 
    | Research
    and development | 
  | 
      | 
283 | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
154 | 
  | 
  | 
      | 
437 | 
  | 
  | 
      | 
13 | 
  | 
  | 
      | 
450 | 
  | 
 
    | Interest
    income | 
  | 
      | 
— | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
188 | 
  | 
  | 
      | 
188 | 
  | 
 
    | Interest
    expense | 
  | 
      | 
(47 | 
) | 
  | 
      | 
(13 | 
) | 
  | 
      | 
— | 
  | 
  | 
      | 
(60 | 
) | 
  | 
      | 
(134 | 
) | 
  | 
      | 
(194 | 
) | 
 
    | Interest
    expense-financing fees | 
  | 
      | 
— | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
(70 | 
) | 
  | 
      | 
(70 | 
) | 
 
    | Depreciation
    and amortization | 
  | 
      | 
470 | 
  | 
  | 
      | 
157 | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
627 | 
  | 
  | 
      | 
14 | 
  | 
  | 
      | 
641 | 
  | 
 
    | Segment
    income (loss) before income taxes | 
  | 
      | 
3,487 | 
  | 
  | 
      | 
(875 | 
) | 
  | 
      | 
(154 | 
) | 
  | 
      | 
2,458 | 
  | 
  | 
      | 
(2,590 | 
) | 
  | 
      | 
(132 | 
) | 
 
    | Income
    tax expense | 
  | 
      | 
45 | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
45 | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
45 | 
  | 
 
    | Segment
    income (loss) | 
  | 
      | 
3,442 | 
  | 
  | 
      | 
(875 | 
) | 
  | 
      | 
(154 | 
) | 
  | 
      | 
2,413 | 
  | 
  | 
      | 
(2,590 | 
) | 
  | 
      | 
(177 | 
) | 
 
    | Expenditures
    for segment assets | 
  | 
      | 
294 | 
  | 
  | 
      | 
18 | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
312 | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
312 | 
  | 
 
 
  
    | Segment
    Reporting for the Six Months Ended June 30, 2018 | 
 
    |   | 
  | 
    Treatment | 
  | 
  | 
    Services | 
  | 
  | 
    Medical | 
  | 
  | 
    Segments
     Total | 
  | 
  | 
    Corporate(1) | 
  | 
  | 
    Consolidated
     Total | 
  | 
 
    | Revenue
    from external customers | 
  | 
    $ | 
18,105 | 
  | 
  | 
    $ | 
7,712 | 
  | 
  | 
      | 
— | 
  | 
  | 
    $ | 
25,817 | 
  | 
  | 
    $ | 
— | 
  | 
  | 
    $ | 
25,817 | 
  | 
 
    | Intercompany
    revenues | 
  | 
      | 
289 | 
  | 
  | 
      | 
39 | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
328 | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
— | 
  | 
 
    | Gross
    profit | 
  | 
      | 
4,303 | 
  | 
  | 
      | 
1,060 | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
5,363 | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
5,363 | 
  | 
 
    | Research
    and development | 
  | 
      | 
228 | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
172 | 
  | 
  | 
      | 
400 | 
  | 
  | 
      | 
51 | 
  | 
  | 
      | 
451 | 
  | 
 
    | Interest
    income | 
  | 
      | 
— | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
130 | 
  | 
  | 
      | 
130 | 
  | 
 
    | Interest
    expense | 
  | 
      | 
(8 | 
) | 
  | 
      | 
(1 | 
) | 
  | 
      | 
— | 
  | 
  | 
      | 
(9 | 
) | 
  | 
      | 
(106 | 
) | 
  | 
      | 
(115 | 
) | 
 
    | Interest
    expense-financing fees | 
  | 
      | 
— | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
(18 | 
) | 
  | 
      | 
(18 | 
) | 
 
    | Depreciation
    and amortization | 
  | 
      | 
467 | 
  | 
  | 
      | 
246 | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
713 | 
  | 
  | 
      | 
18 | 
  | 
  | 
      | 
731 | 
  | 
 
    | Segment
    income (loss) before income taxes | 
  | 
      | 
3,772 | 
(2) | 
  | 
      | 
31 | 
  | 
  | 
      | 
(172 | 
) | 
  | 
      | 
3,631 | 
  | 
  | 
      | 
(2,521 | 
) | 
  | 
      | 
1,110 | 
  | 
 
    | Income
    tax expense | 
  | 
      | 
65 | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
65 | 
  | 
  | 
      | 
5 | 
  | 
  | 
      | 
70 | 
  | 
 
    | Segment
    income (loss) | 
  | 
      | 
3,707 | 
  | 
  | 
      | 
31 | 
  | 
  | 
      | 
(172 | 
) | 
  | 
      | 
3,566 | 
  | 
  | 
      | 
(2,526 | 
) | 
  | 
      | 
1,040 | 
  | 
 
    | Expenditures
    for segment assets | 
  | 
      | 
106 | 
  | 
  | 
      | 
10 | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
116 | 
  | 
  | 
      | 
— | 
  | 
  | 
      | 
116 | 
  | 
 
 
  
(1)
Amounts reflect the activity for corporate headquarters not included in the segment information. 
  
(2)
Amounts included a net gain of $1,596,000 recorded resulting from the exchange offer of the Series B Preferred Stock of
our M&EC subsidiary which was consummated on May 30, 2018. 
 |