Accounts Receivable - net (Details Textual) $ / shares in Units, $ in Thousands, ¥ in Millions	12 Months Ended
Dec. 31, 2016 USD ($) $ / shares	Dec. 31, 2015 USD ($) $ / shares	Dec. 31, 2014 USD ($) $ / shares	Dec. 31, 2015 CNY (¥)
Accounts Receivable Pledged As Collateral For Bank Loan		$ 5,403		¥ 35
Operating Income (Loss), Total \| $	$ 504	3,695	$ 1,885
Net Income (Loss) Available to Common Stockholders, Basic, Total \| $	$ (596)	$ (1,416)	$ (1,515)
Earnings Per Share, Basic, Total \| $ / shares	$ (0.01)	$ (0.03)	$ (0.03)
Earnings Per Share, Diluted, Total \| $ / shares	$ (0.01)	$ (0.03)	$ (0.03)
Accounts Receivables Aged More Than Four Years [Member]
Percentage Of Allowance For Accounts Receivable	100.00%	100.00%		100.00%
Accounts Receivables Aged Between Three Year And Four Years [Member]
Percentage Of Allowance For Accounts Receivable	84.80%	77.50%		77.50%
Accounts Receivables Aged Between Two Year And Three Years [Member]
Percentage Of Allowance For Accounts Receivable	59.10%	40.60%		40.60%
Accounts Receivables Aged Between One Year And Two Years [Member]
Percentage Of Allowance For Accounts Receivable	20.50%	14.40%		14.40%
Accounts Receivables Aged Less Than One Years [Member]
Percentage Of Allowance For Accounts Receivable	1.40%	1.30%		1.30%
Accounts Receivables Aged More Than Three Years [Member] \| Scenario, Adjustment [Member] \| Uncollectible Receivables [Member]
Operating Income (Loss), Total \| $		$ 375
Net Income (Loss) Available to Common Stockholders, Basic, Total \| $		$ 274
Earnings Per Share, Basic, Total \| $ / shares		$ 0.00
Earnings Per Share, Diluted, Total \| $ / shares		$ 0.00

presented, of accounts receivable which were pledged as collateral for a bank loan.

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- Definition

Represents the percentage of allowance for accounts receivable depending upon their age.

+ References

No definition available.

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- Definition

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

+ References

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- Definition

The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

+ References

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- Definition

Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period).

+ References

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The net result for the period of deducting operating expenses from operating revenues.

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