CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Cash flows from operating activities:
Net loss	$ (790,788)	$ (3,631,175)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	1,544,473	1,590,903
Loss on disposal of equipment	233	0
Share-based compensation expense	703,320	224,999
Amortization of premium on available-for-sale securities	68,829	0
Deferred tax benefit (expense)	6,764	(1,161)
Deferred rent	(14,983)	9,895
Amortization of discount on related party debt	0	554,247
Long term incentive plan benefit	0	(46,870)
Proceeds from restricted stock exchanged for taxes	(17,690)	(57,343)
Changes in operating assets and liabilities:
Accounts receivable, net	(402,955)	1,691,231
Inventories	7,333	(1,096,308)
Other current assets	(31,230)	68,790
Accounts payable	(1,050,123)	104,130
Interest payable	0	178,359
Accrued compensation	(1,349,293)	1,059,496
Accrued liabilities, other	384,213	118,912
Accrued pension liability	27,338	42,862
Deferred revenue	24,402	250,679
Net cash provided by (used in) operating activities	(890,157)	1,061,646
Cash flows from investing activities:
Proceeds from maturity of available-for-sale securities	4,800,000	0
Purchases of available-for-sale securities	(2,438,322)	0
Purchases of property, plant and equipment	(398,426)	(166,976)
Net cash provided by (used in) investing activities	1,963,252	(166,976)
Cash flows from financing activities:
Borrowings from line of credit	3,033,385	2,646,500
Repayments of line of credit	(3,033,385)	(2,646,500)
Proceeds from exercise of stock options	3,953	0
Net cash provided by financing activities	3,953	0
Effect of exchange rates on cash and cash equivalents	(15,604)	(4,184)
Net increase in cash and cash equivalents	1,061,444	890,486
Cash and cash equivalents at beginning of period	9,369,624	1,976,594
Cash and cash equivalents at end of period	10,431,068	2,867,080
Supplemental disclosure of cash flow information:
Cash paid during the period for income tax	135,936	19,378
Cash paid during the period for interest	$ 13,625	$ 34,061