| Schedule of Segment Reporting Information | 
    |   | 
      | 
    Three
    Months Ended | 
      | 
 
    | (in thousands) | 
      | 
    December
    31, | 
      | 
 
    |   | 
      | 
    2018 | 
      | 
      | 
    2017 | 
      | 
 
    | Industrial
    Staffing Services | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | Industrial
    services revenue | 
      | 
    $ | 
    5,620 | 
      | 
      | 
    $ | 
    5,872 | 
      | 
 
    | Industrial
    services gross margin | 
      | 
      | 
    13.9 | 
    % | 
      | 
      | 
    15.6 | 
    % | 
 
    | Operating
    income | 
      | 
    $ | 
    255 | 
      | 
      | 
    $ | 
    253 | 
      | 
 
    | Depreciation
    & amortization | 
      | 
      | 
    64 | 
      | 
      | 
      | 
    66 | 
      | 
 
    | Accounts
    receivable – net | 
      | 
      | 
    3,136 | 
      | 
      | 
      | 
    3,521 | 
      | 
 
    | Intangible
    assets | 
      | 
      | 
    415 | 
      | 
      | 
      | 
    637 | 
      | 
 
    | Goodwill | 
      | 
      | 
    1,084 | 
      | 
      | 
      | 
    519 | 
      | 
 
    | Total
    assets  | 
      | 
    $ | 
    4,635 | 
      | 
      | 
    $ | 
    4,177 | 
      | 
 
    |   | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | Professional
    Staffing Services | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | Permanent
    placement revenue | 
      | 
    $ | 
    4,529 | 
      | 
      | 
    $ | 
    5,771 | 
      | 
 
    | Placement
    services gross margin | 
      | 
      | 
    100 | 
    % | 
      | 
      | 
    100 | 
    % | 
 
    | Professional
    services revenue | 
      | 
    $ | 
    28,394 | 
      | 
      | 
    $ | 
    33,589 | 
      | 
 
    | Professional
    services gross margin | 
      | 
      | 
    26.14 | 
    % | 
      | 
      | 
    27.0 | 
    % | 
 
    | Operating
    income  | 
      | 
    $ | 
    2,219 | 
      | 
      | 
    $ | 
    2,477 | 
      | 
 
    | Depreciation
    and amortization | 
      | 
      | 
    1,411 | 
      | 
      | 
      | 
    1,427 | 
      | 
 
    | Accounts
    receivable – net | 
      | 
      | 
    15,911 | 
      | 
      | 
      | 
    19,148 | 
      | 
 
    | Intangible
    assets | 
      | 
      | 
    27,655 | 
      | 
      | 
      | 
    33,016 | 
      | 
 
    | Goodwill | 
      | 
      | 
    75,509 | 
      | 
      | 
      | 
    76,074 | 
      | 
 
    | Total
    assets  | 
      | 
    $ | 
    126,270 | 
      | 
      | 
    $ | 
    134,844 | 
      | 
 
    |   | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | Unallocated
    Expenses | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | Corporate
    administrative expenses | 
      | 
    $ | 
    609 | 
      | 
      | 
    $ | 
    817 | 
      | 
 
    | Corporate
    facility expenses | 
      | 
      | 
    106 | 
      | 
      | 
      | 
    105 | 
      | 
 
    | Stock
    Compensation expense | 
      | 
      | 
    581 | 
      | 
      | 
      | 
    293 | 
      | 
 
    | Acquisition,
    integration and restructuring expenses | 
      | 
      | 
    1,159 | 
      | 
      | 
      | 
    40 | 
      | 
 
    | Total
    unallocated expenses | 
      | 
    $ | 
    2,455 | 
      | 
      | 
    $ | 
    1,255 | 
      | 
 
    |   | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | Consolidated | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | Total
    revenue | 
      | 
    $ | 
    38,543 | 
      | 
      | 
    $ | 
    45,232 | 
      | 
 
    | Operating
    income  | 
      | 
      | 
    19 | 
      | 
      | 
      | 
    1,475 | 
      | 
 
    | Depreciation
    and amortization | 
      | 
      | 
    1,475 | 
      | 
      | 
      | 
    1,493 | 
      | 
 
    | Total
    accounts receivables – net | 
      | 
      | 
    19,047 | 
      | 
      | 
      | 
    22,669 | 
      | 
 
    | Intangible
    assets | 
      | 
      | 
    28,070 | 
      | 
      | 
      | 
    33,653 | 
      | 
 
    | Goodwill | 
      | 
      | 
    76,593 | 
      | 
      | 
      | 
    76,593 | 
      | 
 
    | Total
    assets  | 
      | 
    $ | 
    130,905 | 
      | 
      | 
    $ | 
    139,021 | 
      | 
 
 
 |