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Consolidated Statement of Stockholders' Equity (Unaudited) (USD $) | Common Stock [Member] | Additional Paid-in Capital [Member] | Common Stock Held In Treasury | Accumulated Other Comprehensive Loss | Noncontrolling Interest in Subsidiary | Accumulated Deficit | Total
--- | --- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2012 | $ 56,000 | $ 102,819,000 | $ (88,000) | $ (2,000) | $ 572,000 | $ (16,005,000) | $ 87,352,000
Balance (in shares) at Dec. 31, 2012 | 56,238,525 |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Net loss | 0 | 0 | 0 | 0 | (64,000) | (3,789,000) | (3,853,000)
Foreign currency translation adjustment | 0 | 0 | 0 | (2,000) | 0 | 0 | (2,000)
Distribution to non-controlling interest | 0 | 0 | 0 | 0 | (490,000) | 0 | (490,000)
Redemption of non-controlling interest | 0 | 0 | 0 | 0 | (18,000) | 0 | (18,000)
Issuance of common stock for services | 0 | 99,000 | 0 | 0 | 0 | 0 | 99,000
Issuance of common stock for services (in shares) | 133,748 |  |  |  |  |  |
Stock-based compensation | 0 | 54,000 | 0 | 0 | 0 | 0 | 54,000
Balance at Jun. 30, 2013 | $ 56,000 | $ 102,972,000 | $ (88,000) | $ (4,000) | $ 0 | $ (19,794,000) | $ 83,142,000
Balance (in shares) at Jun. 30, 2013 | 56,372,273 |  |  |  |  |  |

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