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Note 11 - Operating Segments (Details) - Segment Financial Information (USD $) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 | Sep. 30, 2013
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Revenue from external customers | $ 16,905,000 |  | $ 19,072,000 |  | $ 40,106,000 |  | $ 61,685,000 |
Gross profit (loss) | 5,581,000 |  | 3,129,000 |  | 7,232,000 |  | 7,690,000 |
Interest income | 7,000 |  | 8,000 |  | 20,000 |  | 27,000 |
Interest expense | (138,000) |  | (252,000) |  | (505,000) |  | (597,000) |
Interest expense-financing fees | (52,000) |  | (40,000) |  | (133,000) |  | (87,000) |
Depreciation and amortization | 973,000 |  | 1,267,000 |  | 3,282,000 |  | 3,843,000 |
Segment loss, net of taxes | 2,344,000 |  | (568,000) |  | (3,720,000) |  | (4,436,000) |
Expenditures for segment assets | 42,000 |  | 198,000 |  | 375,000 |  | 373,000 |
Treatment [Member] |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Revenue from external customers | 12,705,000 |  | 8,929,000 |  | 29,773,000 |  | 26,379,000 |
Intercompany revenues |  |  | 82,000 |  |  |  | 1,149,000 |
Gross profit (loss) | 4,943,000 |  | 1,801,000 |  | 6,379,000 |  | 3,968,000 |
Interest expense | (10,000) |  | (10,000) |  | (35,000) |  | (38,000) |
Depreciation and amortization | 748,000 |  | 999,000 |  | 2,535,000 |  | 3,063,000 |
Segment loss, net of taxes | 3,985,000 |  | 616,000 |  | 2,977,000 |  | 524,000 |
Expenditures for segment assets | 3,000 |  | 192,000 |  | 334,000 |  | 367,000 |
Services [Member] |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Revenue from external customers | 4,200,000 |  | 10,143,000 |  | 10,333,000 |  | 35,306,000 |
Intercompany revenues | 19,000 |  | 11,000 |  | 64,000 |  | 66,000 |
Gross profit (loss) | 638,000 |  | 1,328,000 |  | 853,000 |  | 3,722,000 |
Interest expense |  |  | (1,000) |  | (1,000) |  | 3,000 |
Interest expense-financing fees |  |  |  |  | 2,000 |  |  |
Depreciation and amortization | 213,000 |  | 248,000 |  | 709,000 |  | 708,000 |
Segment loss, net of taxes | 10,000 |  | 387,000 |  | (1,981,000) |  | (432,000) |
Expenditures for segment assets | 39,000 |  | 6,000 |  | 41,000 |  | 6,000 |
Segments Total [Member] |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Revenue from external customers | 16,905,000 |  | 19,072,000 |  | 40,106,000 |  | 61,685,000 |
Intercompany revenues | 19,000 |  | 93,000 |  | 64,000 |  | 1,215,000 |
Gross profit (loss) | 5,581,000 |  | 3,129,000 |  | 7,232,000 |  | 7,690,000 |
Interest expense | (10,000) |  | (11,000) |  | (36,000) |  | (35,000) |
Interest expense-financing fees |  |  |  |  | 2,000 |  |  |
Depreciation and amortization | 961,000 |  | 1,247,000 |  | 3,244,000 |  | 3,771,000 |
Segment loss, net of taxes | 3,995,000 |  | 1,003,000 |  | 996,000 |  | 92,000 |
Expenditures for segment assets | 42,000 |  | 198,000 |  | 375,000 |  | 373,000 |
Corporate and Other [Member] |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Revenue from external customers |  | [1] |  | [1] |  | [1] |  | [1]
Intercompany revenues |  | [1] |  | [1] |  | [1] |  | [1]
Gross profit (loss) |  | [1] |  | [1] |  | [1] |  | [1]
Interest income | 7,000 | [1] | 8,000 | [1] | 20,000 | [1] | 27,000 | [1]
Interest expense | (128,000) | [1] | (241,000) | [1] | (469,000) | [1] | (562,000) | [1]
Interest expense-financing fees | (52,000) | [1] | (40,000) | [1] | (135,000) | [1] | (87,000) | [1]
Depreciation and amortization | 12,000 | [1] | 20,000 | [1] | 38,000 | [1] | 72,000 | [1]
Segment loss, net of taxes | (1,422,000) | [1] | (1,571,000) | [1] | (4,302,000) | [1] | (4,528,000) | [1]
Expenditures for segment assets |  | [1] |  | [1] |  | [1] |  |
PF Medical S.A. [Member] |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Revenue from external customers |  | [1] |  | [1] |  | [1] |  | [1]
Intercompany revenues |  | [1] |  | [1] |  | [1] |  | [1]
Gross profit (loss) |  | [1] |  | [1] |  | [1] |  | [1]
Interest income |  | [1] |  | [1] |  | [1] |  | [1]
Interest expense |  | [1] |  | [1] |  | [1] |  | [1]
Interest expense-financing fees |  | [1] |  | [1] |  | [1] |  | [1]
Depreciation and amortization |  | [1] |  | [1] |  | [1] |  | [1]
Segment loss, net of taxes | (229,000) | [1] |  | [1] | (414,000) | [1] |  | [1]
Expenditures for segment assets |  | [1] |  | [1] |  | [1] |  | [1]
[1] | Amounts reflect the activity for corporate headquarters and PF Medical S.A. not included in the segment information.

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