5. SHORT-TERM INDEBTEDNESS (Details) - Revolving Credit Facility [Member] - Square 1 [Member] - USD ($) $ in Thousands	Apr. 17, 2015	Sep. 30, 2016
5. SHORT-TERM INDEBTEDNESS (Details) [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 4,000
Line of Credit Facility, Expiration Period	2 years
Minimum Required Amount of Undrawn Portion of The Loans Plus All Non-Restricted Cash and Cash Equivalents	$ 3,000
Long-term Line of Credit		$ 9,246
Prime Rate [Member]
5. SHORT-TERM INDEBTEDNESS (Details) [Line Items]
Debt Instrument, Basis Spread on Variable Rate	1.25%
Minimum [Member]
5. SHORT-TERM INDEBTEDNESS (Details) [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.50%
Formula Revolving Loans [Member]
5. SHORT-TERM INDEBTEDNESS (Details) [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 15,000
Line of Credit Facility, Maximum Borrowing Capacity Percentage of Eligible Accounts Receivable	85.00%
Non-formula Revolving Loans [Member]
5. SHORT-TERM INDEBTEDNESS (Details) [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 2,080
Line of Credit Facility Maximum Borrowing Capacity Quarterly Decreasing Amount	$ 480