v2.4.0.8
Condensed Consolidated Statements of Cash Flows (USD $)
In Thousands, unless otherwise specified
 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Operating activities:    
Net income (loss) $ 2,004 $ (1,276)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:    
Provision for obsolete inventory 768 422
Depreciation and amortization 2,670 1,559
Gain (loss) on disposal of assets (1) 1
Stock-based compensation and warrant expense 1,007 240
Changes in operating assets and liabilities:    
Accounts receivable (2,829) (415)
Inventory (12,360) (4,028)
Other current assets (1,475) (544)
Accounts payable 9,087 6,299
Accrued liabilities 1,097 (750)
Net cash provided by (used in) operating activities (32) 1,508
Investing activities:    
Purchase of short-term investments (53) 0
Purchase of property, plant and equipment (13,101) (2,980)
Proceeds from disposal of equipment 12 0
Deposits and deferred charges (813) (549)
Purchase of intangible assets (3,153) (67)
Net cash used in investing activities (17,108) (3,596)
Financing activities:    
Proceeds from issuance of notes payable and long-term debt 3,150 0
Principal payments of long-term debt and notes payable (8,076) (128)
Proceeds from line of credit borrowings 10,763 13,229
Repayments of line of credit borrowings (22,304) (13,018)
Proceeds from bank acceptance payable 3,826 2,733
Repayments of bank acceptance payable (3,773) (1,690)
Increase in restricted cash (164) (571)
Exercise of stock options 219 50
Exercise of warrants 0 308
Proceeds from public offering, net 45,630 0
Net cash provided by financing activities 29,271 913
Effect of exchange rate changes on cash (58) 220
Net increase (decrease) in cash 12,073 (955)
Cash and cash equivalents at beginning of the period 22,006 10,723
Cash and cash equivalents at end of the period 34,079 9,768
Cash paid for:    
Interest 254 578
Income taxes $ 71 $ 1