The percentage of ownership of cost method investment.

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Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.

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Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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The reporting currency-denominated asset value.

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Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

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Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

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Amount, after adjustment, of cost-method investment. Adjustments include, but are not limited to, dividends received in excess of earnings after date of investment that are considered a return of investment and other than temporary impairments.

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The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

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Amount of interest capitalized during the period.

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Amount of loss from reductions in inventory due to subsequent measurement adjustments, including, but not limited to, physical deterioration, obsolescence, or changes in price levels.

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Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

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Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (that is, noncontrolling interest, previously referred to as minority interest).

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Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Amount of cash and cash equivalents restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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SUMMARY OF PRINCIPAL ACCOUNTING POLICIES (Additional Information) (Details) - USD ($)			12 Months Ended
	Jan. 02, 2018	Jan. 02, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Oct. 31, 2017	Feb. 17, 2016
Restricted cash
Restricted cash			$ 28,609,307	$ 9,910,957
Inventories
Inventory write-down			0	0	$ 0
Property, Plant and Equipment
Interest expense capitalized			1,203,547	47,507	1,757,547
Prepaid land use rights
Lease Expenses			544,267	531,903	517,448
Impairment of long-lived assets
Long-lived asset impairment			11,482,905	2,987,668	198,689
Revenue recognition
Accounts Receivable, Net, Current			1,180,598	700,558
Government subsidies
Unrestricted cash government subsidies			13,136,922	3,704,144	1,675,016
Foreign currency translation
Aggregate amount of cash and cash equivalents and restricted cash denominated in RMB			81,476,636	66,433,887
Noncontrolling interest
Noncontrolling interest			0	2,792,480
Investment accounted for under cost-method
Allocated Share-based Compensation Expense			13,788,049	4,200,273	2,702,089
Operating Leases, Future Minimum Payments Due			11,729
Contract with Customer, Liability			17,482,940	16,377,524
Contract with Customer, Liability, Revenue Recognized	$ 16,400,000	$ 7,200,000
Customer One [Member]
Revenue recognition
Accounts Receivable, Net, Current			1,087,719	682,264
Discontinued Operations [Member]
Inventories
Inventory write-down			851,008
Impairment of long-lived assets
Long-lived asset impairment			18,769,938	2,987,668	198,689
Discontinued Operations [Member] \| Solar wafer manufacturing operations [Member]
Impairment of long-lived assets
Long-lived asset impairment			7,287,033
Shipping and Handling [Member]
Shipping and handling
Cost of Goods and Services Sold			$ 4,474,956	$ 4,099,716	$ 2,873,147
Syed Fire Safety Service Co [Member]
Investment accounted for under cost-method
Cost Method Investment, Ownership Percentage							15.29%
Cost Method Investments						$ 63,793	$ 581,581